RLSA-2026:49621 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15718 firefox: thunderbird: Mitigation...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

AlmaLinux 10 : firefox (ALSA-2026:47101)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:47101 advisory. firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript:...

RockyLinux 9 : thunderbird (RLSA-2026:49921)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:49921 advisory. firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript:...

Astra Linux – Vulnerability in Firefox

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

Astra Linux – Vulnerability in Firefox

JIT compilation errors in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

Astra Linux – Vulnerability in Firefox

JIT compilation errors in the JavaScript: WebAssembly component. This vulnerability has been fixed in Firefox 152 and Thunderbird 152...

ALSA-2026:49921 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15718 firefox: thunderbird: Mitigation...

ALSA-2026:49922 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15718 firefox: thunderbird: Mitigation...

SUSE-SU-2026:23137-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: - Update to Firefox Extended Support Release 140.13.0 ESR. - MFSA 2026-70 bsc1271649: CVE-2026-15718: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15719: Site isolation issue in the DOM: Navigation component...

SUSE-SU-2026:23115-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: - Update to Firefox Extended Support Release 140.13.0 ESR. - MFSA 2026-70 bsc1271649: CVE-2026-15718: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15719: Site isolation issue in the DOM: Navigation component...

firefox: thunderbird: JIT miscompilation in the JavaScript: WebAssembly component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript: WebAssembly component...

firefox: thunderbird: JIT miscompilation in the JavaScript: WebAssembly component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript: WebAssembly component...

Mozilla Firefox JIT Compiler Use-After-Free

The vulnerability of the JIT-compiler of Mozilla Firefox relates to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

selinux:selabel_file_text-fuzzer: Use-of-uninitialized-value in libpcre2-8.so.0

Project: https://github.com/SELinuxProject/selinux.git Detailed Report: https://oss-fuzz.com/testcase?key=5076438584459264 Project: selinux Fuzzing Engine: libFuzzer Fuzz Target: selabelfiletext-fuzzer Job Type: libfuzzermsanselinux Platform Id: linux Crash Type: Use-of-uninitialized-value Crash...

MiracleLinux 9 : firefox-140.12.0-1.el9_8.ML.1 (AXSA:2026-1396:18)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1396:18 advisory. firefox: thunderbird: Sandbox escape in the DOM: Workers component CVE-2026-12294 firefox: thunderbird: Information disclosure, sandbox escape in th...

Exploit for Type Confusion in Mozilla Firefox

CVE-2026-10702 JIT miscompilation in the JavaScript Engine: J...

RockyLinux 10 : firefox (RLSA-2026:47101)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:47101 advisory. firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript:...

RLSA-2026:47105 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: libaom: libaom: heap buffer overflow in AV1 encoder first-pass stats buffer via LAP mode CVE-2026-56208 firefox: thunderbird: Site isolation issue in the DOM: Navigation...