Mozilla: Race condition when resolving DNS names could have led to memory corruption

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and...

Mozilla: Incorrect instruction reordering during JIT optimization

Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and...

Mozilla: Race condition when resolving DNS names could have led to memory corruption

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and...

Mozilla: Uninitialized memory in a canvas object could have led to memory corruption

Uninitialized memory in a canvas object could have caused an incorrect free leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

Mozilla: Incorrect instruction reordering during JIT optimization

Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and...

Mozilla: Memory corruption as a result of incorrect style treatment

Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

The vulnerability of the MediaCacheStream::NotifyDataReceived method in the Thunderbird email client, as well as in Firefox and Firefox ESR browsers, allows a hacker to execute arbitrary code on the target system.

The vulnerability of the MediaCacheStream::NotifyDataReceived method in the Thunderbird email client, as well as in Firefox and Firefox ESR browsers, is related to a memory management error after deallocation. Exploiting this vulnerability can allow an attacker to remotely trick users into openin...

Security fix for the ALT Linux 10 package firefox-esr version 78.13.0-alt1

78.13.0-alt1 built Aug. 16, 2021 Andrey Cherepanov in task 282376 Aug. 10, 2021 Andrey Cherepanov - New version 78.13.0. - Security fixes: + CVE-2021-29986 Race condition when resolving DNS names could have led to memory corruption + CVE-2021-29988 Memory corruption as a result of incorrect style...

Debian DSA-4959-1 : thunderbird - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-4959 advisory. Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code. For the stable distribution bullseye, these proble...

Updated firefox packages fix security vulnerabilities

Updated firefox packages fix security vulnerabilities: Uninitialized memory in a canvas object could have caused an incorrect free leading to memory corruption and a potentially exploitable crash CVE-2021-29980. Instruction reordering during JIT optimization resulted in a sequence of instructions...

[SECURITY] [DLA 2740-1] firefox-esr security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-2740-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort August 12, 2021 https://wiki.debian.org/LTS -...

Debian DSA-4956-1 : firefox-esr - security update

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-4956 advisory. - Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presu...

DLA-2740-1 firefox-esr - security update

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Debian DLA-2740-1 : firefox-esr - LTS security update

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2740 advisory. - Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presum...

[SECURITY] [DSA 4956-1] firefox-esr security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4956-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff August 11, 2021 https://www.debian.org/security/faq -...

Denial Of Service (DoS)

firefox-esr:edge is vulnerable to denial of service. Depending on the privileges associated with the user an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights...

Denial Of Service(DoS)

firefox-esr:edge is vulnerable to denial of service. A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash...

Denial Of Service (DoS)

firefox-esr is vulnerable to denial of service. The vulnerability exists due to uninitialized memory in a canvas object could have caused an incorrect free leading to memory corruption and a potentially exploitable crash...

CVE-2021-29985

A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

CVE-2021-29986

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and...