CISA Releases Guidance for Addressing Citrix NetScaler ADC and Gateway Vulnerability CVE-2023-4966, Citrix Bleed

Today, CISA, in response to active, targeted exploitation, released guidance for addressing Citrix NetScaler ADC and Gateway vulnerability CVE-2023-4966. The vulnerability, also known as Citrix Bleed, could allow a cyber actor to take control of an affected system. CISA recommends organizations...

Google Releases Security Updates for Chrome

Google has released Chrome version 91.0.4472.114 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. One of these vulnerabilities—CVE-2021-30554—has been detected in exploits in the wild. CISA encourages users a...

GNU GRUB2 Vulnerability

Free Software Foundation GNU Project's multiboot boot loader, GNU GRUB2, contains a vulnerability—CVE-2020-10713—that a local attacker could exploit to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit some of these vulnerabilities to obtain sensitive information. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review t...

Facebook Releases Security Advisory for WhatsApp

Facebook has released a security advisory to address a vulnerability in WhatsApp. A remote attacker could exploit this vulnerability to take control of an affected device. The Cybersecurity and Infrastructure Security Agency CISA encourages users to review the Facebook Security Advisory for...

Samba Releases Security Updates

The Samba Team has released security updates that address a vulnerability in all versions of Samba from 3.5.0 onward. A remote attacker could exploit this vulnerability to take control of an affected system. US-CERT encourages users and administrators to review Samba's Security Announcement and...

US-CERT Releases Oracle Java JRE 1.7 Security Advisory

US-CERT has released Vulnerability Note VU636312 to address a vulnerability in Oracle Java Runtime Environment JRE 1.7. This vulnerability may allow an attacker to execute arbitrary code on a vulnerable system. US-CERT encourages users and administrators to review Vulnerability Note VU636312. Thi...

Apple Update for Java for OS X Lion and Mac OS X

Apple has released a Java update for the following products to address multiple vulnerabilities: OS X v10.6.8 OS X server v10.6.8 OS X Lion v10.7.3 Lion Server v10.7.3 These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, or disclose sensitive...

Supply Chain Compromises Impact Nx Console and GitHub Repositories

CISA is prioritizing the response to multiple emerging software supply chain intrusion campaigns targeting developer ecosystems Continuous Integration/Continuous Development CI/CD pipelines. These recent incidents, including the GitHub compromise via a malicious Nx Console Visual Studio Code VS...

Microsoft Releases Information on CVE-2019-1491

Microsoft has released information about CVE-2019-1491, a vulnerability in SharePoint Server. An attacker could exploit this vulnerability to obtain sensitive information. Microsoft released security updates for this vulnerability as part of its December 2019 Security Updates. The Cybersecurity a...

Oracle Releases Security Advisory for WebLogic

Oracle has released a security alert to address a vulnerability in WebLogic. A remote attacker could exploit this vulnerability to take control of an affected system. This vulnerability was detected in exploits in the wild. The Cybersecurity and Infrastructure Security Agency CISA encourages user...

Majordomo Vulnerable to Directory Traversal

US-CERT is aware of a vulnerability affecting Majordomo 2. Exploitation of this vulnerability may allow an attacker to obtain sensitive information that could be used to leverage additional attacks. Reports indicate that this vulnerability affects builds 20110121 and prior. US-CERT encourages use...

Citrix Releases Security Updates for Multiple Products

Citrix has released security updates to address vulnerabilities affecting multiple products. A malicious cyber actor can exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Citrix security bulletins and apply...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-4211 Arm Mali GPU Kernel Driver Use-After-Free Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

OpenSSL Releases Security Update

OpenSSL has released a security advisory to address two vulnerabilities, CVE-2022-3602 and CVE-2022-3786, affecting OpenSSL versions 3.0.0 through 3.0.6. Both CVE-2022-3602 and CVE-2022-3786 can cause a denial of service. According to OpenSSL, a cyber threat actor leveraging CVE-2022-3786, "can...

Google Releases Security Updates for Chrome

Google has released Chrome version 56.0.2924.76 for Windows, Mac, and Linux. This version addresses multiple vulnerabilities that, if exploited, may allow an attacker to take control of an affected system. Users and administrators are encouraged to review the Chrome Releases page and apply the...

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-50302link is external Linux Kernel Use of Uninitialized Resource Vulnerability CVE-2025-22225link is external VMware ESXi Arbitrary Write Vulnerability...

Microsoft Releases February 2021 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A remote attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s February 2021 Security Update Summary and...

Oracle Releases Out-of-Band Security Alert

Oracle has released an out-of-band security alert to address a remote code execution vulnerability—CVE-2020-14750—in Oracle WebLogic Server. A remote attacker can exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA urges user...

Unpatched Oracle WebLogic Servers Vulnerable to CVE-2020-2883

Oracle has released a blog post warning users that a previously disclosed Oracle WebLogic Server remote code execution vulnerability CVE-2020-2883 is being exploited in the wild. Oracle disclosed the vulnerability and provided software patches in their April 2020 Critical Patch Update; however,...

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2008-0015link is external Microsoft Windows Video ActiveX Control Remote Code Execution Vulnerability CVE-2020-7796link is external Synacor Zimbra Collaboratio...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-1281link is external Ivanti Endpoint Manager Mobile EPMM Code Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious...

Ivanti Releases Security Updates for Connect Secure, Policy Secure & ZTA Gateways Vulnerability (CVE-2025-22457)

Ivanti released security updates to address vulnerabilities CVE-2025-22457 in Ivanti Connect Secure, Policy Secure & ZTA Gateways. A cyber threat actor could exploit CVE-2025-22457 to take control of an affected system. CISA has added CVE-2025-22457 to its Known Exploited Vulnerabilities Catalog...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-36884 Microsoft Office and Windows HTML Remote Code Execution Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors...

VMWare Releases Guidance for VirtualPITA, VirtualPIE, and VirtualGATE Malware Targeting vSphere

VMWare has released Protecting vSphere From Specialized Malware, addressing malware artifacts known as VirtualPITA ESXi & Linux, VirtualPIE ESXi, and VirtualGATE Windows, which are used to exploit and gain persistent access to instances of ESXi. CISA urges organizations employing VMWare ESXi to...

Mozilla Patches Critical Vulnerability

Mozilla has released security updates to address a vulnerability in Firefox, Firefox ESR, and Thunderbird. An attacker could exploit this vulnerability to take control of an affected system. This vulnerability was detected in exploits in the wild. The Cybersecurity and Infrastructure Security...

Samba Releases Security Updates

The Samba Team has released security updates to address several vulnerabilities in Samba. An attacker could exploit one of these vulnerabilities to take control of an affected system. NCCIC encourages users and administrators to review the Samba Security Announcements for CVE-2018-14629,...

Adobe Releases Security Updates

Adobe has released security updates to address vulnerabilities in Flash Player, Adobe Acrobat and Reader, and Adobe Photoshop CC. An attacker could exploit these vulnerabilities to obtain access to sensitive information. NCCIC encourages users and administrators to review Adobe Security Bulletins...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-34102 Adobe Commerce and Magento Open Source Improper Restriction of XML External Entity Reference XXE Vulnerability CVE-2024-28995 SolarWinds Serv-U Path...

Fortinet Releases Security Updates for FortiOS

Fortinet has released security updates to address a heap-based buffer overflow vulnerability CVE-2022-42475 in FortiOS. An attacker could exploit this vulnerability to take control of an affected system. This vulnerability has been exploited in the wild. CISA encourages users and administrators t...

Apache Releases Security Advisory for Tomcat

The Apache Software Foundation has released a security advisory to address a vulnerability in multiple versions of Apache Tomcat 9.0. An attacker could exploit this vulnerability to access sensitive information. CISA encourages users and administrators to review the Apache security advisory for...

Apache Releases Security Advisory for Apache Tomcat

The Apache Software Foundation has released a security advisory to address a vulnerability in Apache Tomcat. An attacker could exploit this vulnerability to cause a denial-of-service condition. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review...

Cisco Releases Security Advisory for Telnet Vulnerability in IOS XE Software

Cisco has released a security advisory on a Telnet vulnerability—CVE-2020-10188—affecting Cisco IOS XE devices. A remote attacker could exploit this vulnerability to take control of an affected system. The advisory contains workarounds as well as indicators of compromise. The Cybersecurity and...

VMware Releases Security Updates

VMware has released security updates to address vulnerabilities in NSX, vCNS and vRealize Log Insight. Exploitation of one of these vulnerabilities could allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review VMware Security Advisories...

Microsoft Releases Advance Notification for Out-of-Band Security Bulletin

Microsoft has issued a Security Bulletin Advance Notification indicating that it will be releasing an out-of-band security bulletin. This bulletin will address a vulnerability in Microsoft Internet Explorer 6 and Internet Explorer 7. The notification states that release of this bulletin is...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-7593link is external Ivanti Virtual Traffic Manager Authentication Bypass Vulnerability These types of vulnerabilities are frequent attack vectors for malicious...

CISA, FBI, and MS-ISAC Update Joint CSA on Progress Telerik Vulnerabilities

Today, CISA, the Federal Bureau of Investigation FBI, and Multi-State Information Sharing and Analysis Center MS-ISAC released an update for joint Cybersecurity Advisory CSA Threat Actors Exploit Progress Telerik Vulnerability in U.S. Government IIS Server. This iteration of the CSA—now renamed...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Samba security announcements as wel...

Apache Releases Security Update for Apache Struts 2

The Apache Software Foundation has released a security update to address a vulnerability in Apache Struts versions 2.0.0 to 2.5.25. A remote attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users...

Apache Releases Security Advisory for Apache Tomcat

The Apache Software Foundation has released a security advisory to address a vulnerability in Apache Tomcat. An attacker could exploit this vulnerability to cause a denial-of-service condition. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review...

Microsoft Releases Security Updates for its Malware Protection Engine

Microsoft has released updates to address a vulnerability in Microsoft Malware Protection Engine affecting multiple products. A remote attacker could exploit this vulnerability to take control of an affected system. US-CERT encourages users and administrators to review Microsoft's Advisory and...

Apache Releases Security Advisory for Tomcat  

The Apache Software Foundation has released a security advisory to address a vulnerability in multiple versions of Tomcat. An attacker could exploit this vulnerability to cause a denial of service condition. CISA encourages users and administrators to review Apache’s security advisory for...

Google Releases Security Updates for Chrome

Google has released Chrome version 78.0.3904.87 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. One of these vulnerabilities CVE-2019-13720 was detected in exploits in the wild. The Cybersecurity and...

Juniper Networks Releases Security Updates

Juniper Networks has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. NCCIC/US-CERT encourages users and administrators to review the following Juniper Security Advisori...

Samba Remote Code Execution Vulnerability

Linux and Unix based operating systems employing Samba versions 3.5.0 through 4.2.0rc4 contain a vulnerability in the Server Message Block daemon smbd. Exploitation of this vulnerability may allow a remote attacker to take control of an affected system. US-CERT recommends users and administrators...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-3909link is external Google Skia Out-of-Bounds Write Vulnerability CVE-2026-3910link is external Google Chromium V8 Unspecified Vulnerability These types o...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-21385link is external Qualcomm Multiple Chipsets Memory Corruption Vulnerability CVE-2026-22719link is external Broadcom VMware Aria Operations Command...

CISA Releases Malware Analysis Report on RESURGE Malware Associated with Ivanti Connect Secure

CISA has published a Malware Analysis Report MAR with analysis and associated detection signatures on a new malware variant CISA has identified as RESURGE. RESURGE contains capabilities of the SPAWNCHIMERA1link is external malware variant, including surviving reboots; however, RESURGE contains...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-29360 Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber acto...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Samba Security Announcements and...