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Opera Security Advisories
Opera Security Advisories
added 6 days ago5 views

Why browsing with Opera’s VPN is safer

Security Why browsing with Opera’s VPN is safer Share May 29th, 2026 A virtual private network VPN is a great way to protect yourself online, especially on public hotspots. Opera is the first major browser to have a built-in, no-log, unlimited browser VPN that is completely free. So how can you...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2026/05/08 12:0 a.m.7 views

How we keep Opera users and products safe: Inside the role of Head of Security

Security How we keep Opera users and products safe: Inside the role of Head of Security Share May 8th, 2026 We usually think of security only when something goes wrong – whether it’s a suspicious login we noticed, a strange pop-up we got while browsing, or a headline we read about a data breach...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2026/04/17 12:0 a.m.6 views

How Opera’s Security team helps make the web safer through responsible disclosure

Security How Opera’s Security team helps make the web safer through responsible disclosure Share April 17th, 2026 Hi everyone! At Opera, we have 30 years of experience in building safe and secure browsers. Our seasoned Security team collaborates internally as well as with external researchers to...

8.8CVSS7.2AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2026/04/04 12:0 a.m.5 views

Update your browser: Security fix for Chrome zero-day CVE-2026-5281

News, Security Update your browser: Security fix for Chrome zero-day CVE-2026-5281 Share April 4th, 2026 Hi everyone! The latest patches to Opera’s browsers address several recent vulnerabilities, including a zero-day exploit CVE-2026-5281. We recommend updating your browsers to the latest versio...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2026/03/14 12:0 a.m.6 views

Update your browser: Security fix for Chrome zero-days CVE 2026-3909 & CVE-2026-3910

News, Security Update your browser: Security fix for Chrome zero-days CVE 2026-3909 & CVE-2026-3910 Share March 14th, 2026 Hi everyone! The latest patches to Opera’s browsers address several recent vulnerabilities, including two zero-day exploits CVE 2026-3909 and CVE-2026-3910. We recommend...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2026/03/06 12:0 a.m.6 views

Busting VPN myths: What a VPN can do for your privacy and what it can’t

Privacy Busting VPN myths: What a VPN can do for your privacy and what it can’t Share March 6th, 2026 If you’re reading this blog, you have probably heard of or used a VPN before. The truth is, VPNs are incredibly useful! They are one of the most effective tools for protecting your online privacy...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2026/02/16 12:0 a.m.6 views

Update your browser: Security fix for Chrome zero-day CVE-2026-2441

News, Security Update your browser: Security fix for Chrome zero-day CVE-2026-2441 Share February 16th, 2026 Hi everyone! The latest patches to Opera, Opera GX, Opera Air, Opera Neon, and Opera for Android address several recent vulnerabilities, including a zero-day exploit CVE-2026-2441. We...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2026/01/28 12:0 a.m.6 views

Data Privacy Day: Inside the role of Data Protection Officer at Opera

Privacy Data Privacy Day: Inside the role of Data Protection Officer at Opera Share January 28th, 2026 Privacy matters all year round. But every January, Data Privacy Day is a great opportunity to learn more about data privacy and protection, and to highlight their importance for everyone in the...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2025/12/18 12:0 a.m.6 views

Update your browser: Security fix for Chrome zero-day CVE-2025-14174

News, Security Update your browser: Security fix for Chrome zero-day CVE-2025-14174 Share December 18th, 2025 Hi everyone! The latest patches to Opera, Opera GX, Opera Air, and Opera for Android address several recent vulnerabilities, including a zero-day exploit CVE-2025-14174. We recommend...

8.8CVSS7AI score0.23127EPSS
Exploits22References1
Opera Security Advisories
Opera Security Advisories
added 2025/11/20 12:0 a.m.5 views

Update your browser: Security fix for Chrome zero-day CVE-2025-13223

News, Security Update your browser: Security fix for Chrome zero-day CVE-2025-13223 Share November 20th, 2025 Hi everyone! The latest patches to Opera, Opera GX, Opera Air, and Opera for Android address several recent vulnerabilities, including a zero-day exploit CVE-2025-13223. We recommend...

8.8CVSS7AI score0.23127EPSS
Exploits13References1
Opera Security Advisories
Opera Security Advisories
added 2025/10/30 12:0 a.m.6 views

GameMaker security update: Patch now to prevent DoS attacks

Security GameMaker security update: Patch now to prevent DoS attacks Share October 30th, 2025 Today we’re looking at a vulnerability discovered in GameMaker, the game development tool that streamlines and simplifies game dev for all users, regardless of skill level. The vulnerability in question...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2025/10/23 12:0 a.m.5 views

Prompt injection in Opera Neon: Rapid response through responsible disclosure

Security Prompt injection in Opera Neon: Rapid response through responsible disclosure Share October 23rd, 2025 Hi Opera users, This week, we were able to address a real-world security scenario on Opera Neon thanks to the work of a security researcher team. The researchers reached out to us throu...

8.8CVSS6.8AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2025/10/21 12:0 a.m.4 views

Protected with Opera Neon: Understanding agentic browser security

Security Protected with Opera Neon: Understanding agentic browser security Share October 21st, 2025 Hi Opera users, If you were hanging out around these parts in the past few weeks, you might have noticed that we launched Opera Neon – an AI agentic browser that can browse with you or for you, tak...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2025/09/18 12:0 a.m.4 views

Update your browser: Security fix for Chrome zero-day CVE-2025-10585

News, Security Update your browser: Security fix for Chrome zero-day CVE-2025-10585 Share September 18th, 2025 Hi everyone! The latest patches to Opera, Opera GX, Opera Air, and Opera for Android address several recent vulnerabilities, including a zero-day exploit CVE-2025-10585. We recommend...

9.8CVSS7AI score0.23127EPSS
Exploits13References1
Opera Security Advisories
Opera Security Advisories
added 2025/07/17 12:0 a.m.5 views

Update your browser: Security fix for Chrome zero-day CVE-2025-6558

News, Security Update your browser: Security fix for Chrome zero-day CVE-2025-6558 Share July 17th, 2025 Hi everyone! The latest patches to the Opera, Opera GX, and Opera Air address several recent vulnerabilities, including a zero-day exploit CVE-2025-6558. We recommend updating your browsers to...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2025/07/10 12:0 a.m.4 views

Why browsing with Opera’s VPN is safer

Security Why browsing with Opera’s VPN is safer Share July 10th, 2025 A virtual private network VPN is a great way to protect yourself online, especially on public hotspots. Opera is the first major browser to have a built-in, no-log, unlimited browser VPN that is completely free. So how can you...

8.8CVSS7.2AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2025/07/03 12:0 a.m.5 views

Update your browser: Security fix for Chrome zero-day CVE-2025-6554

News, Security Update your browser: Security fix for Chrome zero-day CVE-2025-6554 Share July 3rd, 2025 Hi everyone! The latest patches to the Opera, Opera GX, Opera Air, and Opera for Android address several recent vulnerabilities, including a zero-day exploit CVE-2025-6554. We recommend updatin...

8.8CVSS7AI score0.23127EPSS
Exploits16References1
Opera Security Advisories
Opera Security Advisories
added 2025/07/01 12:0 a.m.4 views

VPNs explained: How a VPN helps keep your online life private

Privacy, Security VPNs explained: How a VPN helps keep your online life private Share July 1st, 2025 Today, we spend more than half our lives online. So it’s only natural that we worry a lot more about online safety and privacy. VPNs are just one of the tools many internet users already rely on t...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2025/06/05 12:0 a.m.4 views

Update your browser: Security fixes for latest Chrome zero-day

News, Security Update your browser: Security fixes for latest Chrome zero-day Share June 5th, 2025 Hi everyone! The latest patches to the Opera, Opera GX, Opera Air, and Opera for Android address several recent vulnerabilities, including a zero-day exploit CVE-2025-5419. We recommend updating you...

8.8CVSS7AI score0.23127EPSS
Exploits15References1
Opera Security Advisories
Opera Security Advisories
added 2025/03/27 12:0 a.m.4 views

Update your browser: Security fixes for latest Chrome zero-day

News, Security Update your browser: Security fixes for latest Chrome zero-day Share March 27th, 2025 Hi everyone! The latest patches to the Opera and Opera GX address several recent vulnerabilities, including a zero-day exploit CVE-2025-2783. We recommend updating your browsers to the latest...

8.8CVSS7AI score0.4686EPSS
Exploits16References1
Opera Security Advisories
Opera Security Advisories
added 2025/01/30 12:0 a.m.4 views

Opera for Android has received Google Play’s Independent Security Review badge. Here’s what this means for your security

Security Opera for Android has received Google Play’s Independent Security Review badge. Here’s what this means for your security Share January 30th, 2025 Hey Opera users! You might have seen that Opera for Android has achieved a new security-focused milestone: If you search for Opera for Android...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2024/12/11 12:0 a.m.4 views

How Opera for Android’s revamped ad blocker improves your browsing experience

News, Privacy How Opera for Android’s revamped ad blocker improves your browsing experience Share December 11th, 2024 Hi Opera users! At Opera, we know how intrusive advertising can disrupt your browsing experience by turning it into a frustrating maze of pop-ups. That’s why we have included a...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2024/10/30 12:0 a.m.4 views

Addressing the “CrossBarking” vulnerability discovered in collaboration with Guardio

News, Security Addressing the “CrossBarking” vulnerability discovered in collaboration with Guardio Share October 30th, 2024 Hi Opera users! Over time, we have shared details about how we approach security vulnerabilities, and especially how we work with external security researchers to identify...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2024/09/25 12:0 a.m.5 views

Protecting your privacy: Opera has completed an independent no-log audit of its free browser VPN

Privacy Protecting your privacy: Opera has completed an independent no-log audit of its free browser VPN Share September 25th, 2024 Hi Opera users! We are excited to announce that we have successfully completed an independent audit of our no-log policy for Opera’s free browser VPN available on...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2024/08/23 12:0 a.m.4 views

Update your browser: Security fixes for latest Chrome zero-day

News, Security Update your browser: Security fixes for latest Chrome zero-day Share August 23rd, 2024 Hi everyone! The latest patches to the Opera and Opera GX address several recent vulnerabilities, including a zero-day exploit CVE-2024-7971. We recommend updating your browsers to the latest...

9.6CVSS7AI score0.23127EPSS
Exploits14References1
Opera Security Advisories
Opera Security Advisories
added 2024/06/12 12:0 a.m.4 views

Does the TunnelVision vulnerability affect Opera’s free VPN?

Privacy Does the TunnelVision vulnerability affect Opera’s free VPN? Share June 12th, 2024 Hello! You may have heard recently about a new type of vulnerability called TunnelVision that makes it possible for a malicious actor to bypass VPN protection. So you will be happy to know that Opera’s free...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2024/01/18 12:0 a.m.4 views

Update your browser: Security fixes for latest Chrome zero-day

News, Security Update your browser: Security fixes for latest Chrome zero-day Share January 18th, 2024 Hi everyone! The latest patches to the Opera, Opera GX, Opera Crypto, and Opera for Android browsers address several recent vulnerabilities, including a zero-day exploit CVE-2024-0519. We...

8.8CVSS7AI score0.75479EPSS
Exploits13References1
Opera Security Advisories
Opera Security Advisories
added 2024/01/17 12:0 a.m.4 views

Opera’s response to misleading headlines regarding the “MyFlaw” security vulnerability

Security Opera’s response to misleading headlines regarding the “MyFlaw” security vulnerability Share January 17th, 2024 We have noticed some misleading media articles regarding the so-called “MyFlaw” vulnerability that allegedly puts Opera users at risk. This is NOT true. The coverage presents...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/12/22 12:0 a.m.5 views

Update your browser: Security fixes for latest Chrome zero-day

News, Security Update your browser: Security fixes for latest Chrome zero-day Share December 22nd, 2023 Hi everyone! The latest patches to the Opera, Opera GX, Opera Crypto, and Opera for Android browsers address several recent vulnerabilities, including a zero-day exploit CVE-2023-7024. We...

8.8CVSS7.2AI score0.5849EPSS
Exploits15References1
Opera Security Advisories
Opera Security Advisories
added 2023/12/01 12:0 a.m.5 views

Update your browser: Security fixes for latest Chrome bugs

News, Security Update your browser: Security fixes for latest Chrome bugs Share December 1st, 2023 Hi everyone! The latest patches to the Opera, Opera GX, and Opera Crypto browsers address several recent vulnerabilities, including a zero-day exploit CVE-2023-6345. We recommend updating your...

9.6CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/10/02 12:0 a.m.5 views

Resolving the “screen capture” notification issue on MacOS Sonoma

News, Privacy Resolving the “screen capture” notification issue on MacOS Sonoma Share October 2nd, 2023 Hey everyone! We recently became aware of an issue that appears for some users of Sonoma, or MacOS 14 – the latest version of MacOS currently rolling out to Macs worldwide. It seems that upon...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/09/29 12:0 a.m.6 views

Update your browser: Security fix for latest Chrome zero-day

News, Security Update your browser: Security fix for latest Chrome zero-day Share September 29th, 2023 Hi everyone! Opera browsers have received important updates addressing a number of vulnerabilities and bugs. Among those is the following zero-day vulnerability detected by security researchers,...

8.8CVSS7.2AI score0.23127EPSS
Exploits15References1
Opera Security Advisories
Opera Security Advisories
added 2023/09/27 12:0 a.m.5 views

Where to find Opera’s Privacy and Security team online

Security Where to find Opera’s Privacy and Security team online Share September 27th, 2023 Hello everyone! Through this blog, we strive to offer timely updates and important information about Opera and our products. This helps us maintain an open line of communication with our users, particularly...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/08/11 12:0 a.m.4 views

How your Opera browser keeps you safe from spyware and other cyber threats

Privacy, Security How your Opera browser keeps you safe from spyware and other cyber threats Share August 11th, 2023 Hi everyone! In our digital age, your online security is often under threat. From phishing scams to spyware and direct hacking attempts, your personal data is often in the crosshai...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/08/10 12:0 a.m.5 views

Update your browser: Security fixes for latest Chrome bugs

News, Security Update your browser: Security fixes for latest Chrome bugs Share August 10th, 2023 Hi everyone! Opera, Opera GX, and Opera Crypto Browser have received important updates addressing a number of vulnerabilities and bugs. Among those are the following important vulnerabilities detecte...

8.8CVSS7.2AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/07/06 12:0 a.m.4 views

Debunking misinformation about Opera’s browsers

Privacy, Security Debunking misinformation about Opera’s browsers Share July 6th, 2023 At Opera, we take the privacy and security of our users very seriously. As a European company, we have to be compliant with the GDPR – one of the strongest, if not the strongest, data protection frameworks in t...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/06/15 12:0 a.m.4 views

Update your browser: Security updates address vulnerabilities including latest Chrome bugs

News, Security Update your browser: Security updates address vulnerabilities including latest Chrome bugs Share June 15th, 2023 Hi everyone! The Opera browser, Opera GX and Opera Crypto Browser have just received important updates addressing a number of vulnerabilities and bugs. Among those are t...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/02/09 12:0 a.m.3 views

Opera’s Security team at Barcelona Cybersecurity Congress 2023

Security Opera’s Security team at Barcelona Cybersecurity Congress 2023 Share February 9th, 2023 Hello readers! If you follow our Security team’s Twitter account it’s here, by the way!, you’ll have noticed we were busy last week meeting cybersecurity enthusiasts and professionals at this year’s...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2023/01/27 12:0 a.m.4 views

It’s Data Privacy Day: Here’s how to protect your data and become your own privacy champion

News, Security It’s Data Privacy Day: Here’s how to protect your data and become your own privacy champion Share January 27th, 2023 Hello readers! January 28 is Data Privacy Day – an annual celebration of all things data protection and online privacy! It’s an opportunity for businesses and users ...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2022/12/02 12:0 a.m.4 views

New Opera 93 Stable update includes fix for latest Chromium zero-day

Security New Opera 93 Stable update includes fix for latest Chromium zero-day Share December 2nd, 2022 Hi everyone! Opera for Windows and Mac have received Stable updates 93.0.4585.37 and 93.0.4585.39 respectively. Among other things, these updates include Chromium update 107.0.5304.122, which...

9.6CVSS7.4AI score0.23127EPSS
Exploits13References1
Opera Security Advisories
Opera Security Advisories
added 2022/11/11 12:0 a.m.5 views

Safe Browsing now on Opera for Android

Security Safe Browsing now on Opera for Android Share November 11th, 2022 Hi Android users! We’re happy to share that Opera for Android 72 now features Safe Browsing to keep you even safer when browsing or shopping online on your Android device. Safe Browsing protects your online experience by...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2022/11/03 12:0 a.m.7 views

OpenSSL 3.0.7 security fix: Should Opera users be worried?

Security OpenSSL 3.0.7 security fix: Should Opera users be worried? Share November 3rd, 2022 Hi everyone! The OpenSSL 3.0.7 security-fix release fixes high-priority vulnerabilities in the OpenSSL open-source cryptography library, specifically CVE-2022-3602 and CVE-2022-3786. The vulnerabilities...

8.8CVSS7.4AI score0.83506EPSS
Exploits18References1
Opera Security Advisories
Opera Security Advisories
added 2022/10/14 12:0 a.m.4 views

Are you still using public Wi-Fi without a VPN?

Security Are you still using public Wi-Fi without a VPN? Share October 14th, 2022 Hi readers, October is Cybersecurity Awareness Month and the focus is on you, the user. All the privacy and security features in the world are worth nothing if we ourselves don’t apply some best practices to our...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2022/08/29 12:0 a.m.4 views

Opera Privacy Statement Update 2022

Privacy Opera Privacy Statement Update 2022 Share August 29th, 2022 Opera, a browser company based out of Oslo, Norway, cares deeply about user security and data protection. With that in mind, we actively work on improving our internal practices and communications with you, our users. We are maki...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2022/03/30 12:0 a.m.4 views

Opera’s Free Browser VPN Completes Independent Security Audit by Cure53

News Opera’s Free Browser VPN Completes Independent Security Audit by Cure53 Share March 30th, 2022 Today we’re happy to announce the completion of an independent security audit of Opera’s free built-in browser VPN. Opera’s free, no-log, built-in browser VPN was originally launched as part of the...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2022/03/25 12:0 a.m.5 views

Bug Bounty Adventures: A NodeBB 0-day

Research Bug Bounty Adventures: A NodeBB 0-day Share March 25th, 2022 Opera maintains both apublic bug bounty program, and a private program, where security researchers can submit security issues they have found in Opera’s products for cash rewards. We like to highlight some of the issues that ha...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2022/01/04 12:0 a.m.5 views

Fuzzing HTTP Proxies: Privoxy, Part 3

Research Fuzzing HTTP Proxies: Privoxy, Part 3 Share January 4th, 2022 One of my earlier posts outlined how I had discovered six security vulnerabilities in the Privoxy software using the technique of fuzzing to cause the software to crash. This post outlines how I discovered three more...

8.8CVSS6.9AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2021/10/01 12:0 a.m.4 views

Fuzzing HTTP Proxies: Squid, Part 2

Research Fuzzing HTTP Proxies: Squid, Part 2 Share October 1st, 2021 Security is important to us, here at Opera. That’s why, apart from making our browsers safer, we also want to make the Web a bit safer. One of those ways is helping other developers find and fix vulnerabilities in their products...

8.8CVSS7.6AI score0.85178EPSS
Exploits15References1
Opera Security Advisories
Opera Security Advisories
added 2021/09/24 12:0 a.m.6 views

$8,000 Bug Bounty Highlight: XSS to RCE in the Opera Browser

Research $8,000 Bug Bounty Highlight: XSS to RCE in the Opera Browser Share September 24th, 2021 Continuing from hisprevious post, Bug Bounty Hunter Renwa writes about the second vulnerability he submitted to Opera’s Private Bug Bounty Programme: a Remote Code Execution in Opera’s My Flow Feature...

8.8CVSS7.6AI score0.23127EPSS
Exploits12References1
Opera Security Advisories
Opera Security Advisories
added 2021/09/08 12:0 a.m.4 views

Bug Bounty Guest Post: Local File Read via Stored XSS in The Opera Browser

Research Bug Bounty Guest Post: Local File Read via Stored XSS in The Opera Browser Share September 8th, 2021 Opera manages aBug Bounty program where researchers can report vulnerabilities in Opera’s software and be rewarded for it. For high-quality reports, we like to invite researchers to write...

8.8CVSS7AI score0.23127EPSS
Exploits12References1
Total number of security vulnerabilities386