CVE-2020-15658

The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR 78.1, Firefox...

CVE-2020-15656

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR 78.1, Firefox 79, and Thunderbird 78.1...

CVE-2020-15654

When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. Thi...

Mozilla Releases Security Updates for Multiple Products

Mozilla has released security updates to address vulnerabilities in Firefox, Firefox ESR, and Thunderbird. An attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators t...

CVE-2020-15658

The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR 78.1, Firefox...

Mozilla Firefox ESR < 68.11

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 68.11. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-31 advisory. - Mozilla developers Jason Kratzer and Luke Wagner reported memory safety bugs present in Firefox 78 and...

Mozilla Firefox ESR < 78.1

The version of Firefox ESR installed on the remote Windows host is prior to 78.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-32 advisory. - Mozilla developers and community members Natalia Csoregi, Simon Giesecke, Jason Kratzer, Christian Holler, and Luke...

DSA-4736-1 firefox-esr - security update

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CVE-2020-15653

An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR 78.1, Firefox 79, and...

CVE-2020-15656

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR 78.1, Firefox 79, and Thunderbird 78.1...

UBUNTU-CVE-2020-15658

The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR 78.1, Firefox...

UBUNTU-CVE-2020-15656

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR 78.1, Firefox 79, and Thunderbird 78.1...

DLA-2297-1 firefox-esr - security update

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Security fix for the ALT Linux 10 package firefox-esr version 78.1.0-alt1

July 28, 2020 Andrey Cherepanov 78.1.0-alt1 - New release 78.1.0. - Fixes: + CVE-2020-15652 Potential leak of redirect targets when loading scripts in a worker + CVE-2020-6514 WebRTC data channel leaks internal address to peer + CVE-2020-15655 Extension APIs could be used to bypass Same-Origin...

Security Vulnerabilities fixed in Firefox ESR 78.1 — Mozilla

By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. WebRTC used the memory address of a class instance as a connection identifier. Unfortunately, this value is...

KLA11920 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to cause denial of service, obtain sensitive information, bypass security restrictions, execute arbitrary code. Below is a complete list of vulnerabilities: 1. Use after free vulnerabilit...

Important: thunderbird

Issue Overview: Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript. This vulnerability affects Firefox ESR 68.10, Firefox 78, and Thunderbird 68.10.0. CVE-2020-12418 When processing callbacks that occurred during...

CVE-2020-12421

When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected even if they were legitimately added by an administrator. This could have caused add-ons to become out-of-date silently without notification to the user. This vulnerability affects Firefox ESR 68.10...

CVE-2020-12406

Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird 68.9.0, Firefox 77, and Firefox ESR 68.9...

CVE-2020-12420

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR 68.10, Firefox 78, and Thunderbird 68.10.0...