Security Vulnerabilities fixed in Thunderbird 136 — Mozilla

Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could hav...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in XSLT

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

Astra Linux – Vulnerability in Firefox, Thunderbird

An error in the ECMA-262 specification related to Async Generators could lead to a type confusion, potentially causing memory corruption and an exploitable crash. This vulnerability affects Firefox 128, Firefox ESR 115.13, Thunderbird 115.13, and Thunderbird 128...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in XSLT

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in XSLT

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free in XSLT

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash...

UBUNTU-CVE-2025-1009

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1010 Use-after-free in Custom Highlight

An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1009 Use-after-free in XSLT

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1009

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

firefox: Memory corruption when using JavaScript Text Segmentation

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash...

firefox: thunderbird: Use-after-free when breaking lines in text

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash...