CVE-2026-4729 Memory safety bugs fixed in Firefox 149 and Thunderbird 149

Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4729

Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4729

CVE-2026-4729 affects Firefox 148 and Thunderbird 148, with memory-safety bugs that could lead to memory corruption and potential arbitrary-code execution. The issues were fixed in Firefox 149 and Thunderbird 149. Mitigation: upgrade to the fixed versions (Firefox 149 / Thunderbird 149). Exploita...

CVE-2026-4729

Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

Security update for the Linux Kernel (Live Patch 43 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.173 fixes various security issues The following security issues were fixed: CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit bsc1255595. CVE-2023-53781: smc: Fix use-after-free in tcpwritetimerhandl...

CVE-2026-33298

Summary (CVE-2026-33298) : llama.cpp (C/C++) contains an integer overflow in the ggml_nbytes function during GGUF tensor parsing, allowing an attacker to bypass memory validation by crafting tensor dimensions. This can cause ggml_nbytes to report a far too small size (examples cite 4 MB vs exabyt...

Security Vulnerabilities fixed in Thunderbird 140.9 — Mozilla

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

KLA90957 Multiple vulnerabilities in Mozilla Firefox ESR

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

PT-2026-27427

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Thunderbird versions prior to 149 Description Memory safety issues exist in Firefox 148 and Thunderbird 148. These bugs demonstrate evidence of memory corruption, and it is presumed that, with sufficient effort,...

KLA90958 Multiple vulnerabilities in Mozilla Firefox

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to gain privileges, obtain sensitive information, bypass security restrictions, cause denial of service, execute arbitrary code, spoof user interface. Below is a complete list of...

KLA90955 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to gain privileges, obtain sensitive information, bypass security restrictions, cause denial of service, execute arbitrary code, spoof user interface. Below is a complete list of...

SUSE SLES12 Security Update : kernel (Live Patch 68 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:0954-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0954-1 advisory. This update for the SUSE Linux Enterprise Kernel 4.12.14-122.258 fixes various security issues The following security issues were fixed: -...

Mozilla Firefox ESR < 115.34

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.34. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-21 advisory. - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox 149,...

Mozilla -- Multiple vulnerabilities

CVE-2026-4721: Memory safety bugs. Potential arbitrary code execution. CVE-2026-4709: Incorrect boundary conditions in the Audio/Video: GMP component. CVE-2026-4707: Incorrect boundary conditions in the Graphics: Canvas2D component. CVE-2026-4706: Incorrect boundary conditions in the Graphics:...

Mozilla -- Multiple vulnerabilities

CVE-2026-4729: Memory safety bugs CVE-2026-4728: Spoofing issue in the Privacy: Anti-Tracking component. CVE-2026-4727: Denial-of-service in the Libraries component in NSS. CVE-2026-4726: Denial-of-service in the XML component. CVE-2026-4725: Sandbox escape due to use-after-free in the Graphics:...

Mozilla Firefox ESR < 115.34

The version of Firefox ESR installed on the remote Windows host is prior to 115.34. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-21 advisory. - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox 149, Firefox ESR...

Security Vulnerabilities fixed in Firefox ESR 140.9 — Mozilla

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in...

Mozilla -- Multiple vulnerabilities

CVE-2026-4688: Sandbox escape due to use-after-free in Disability Access APIs. CVE-2026-4695: Incorrect boundary conditions in the Audio/Video: Web Codecs component. CVE-2026-4697: Incorrect boundary conditions in the Audio/Video: Web Codecs component. CVE-2026-4700: Mitigation bypass in the...

Security Vulnerabilities fixed in Firefox 149 — Mozilla

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in...

KLA90956 Multiple vulnerabilities in Mozilla Thunderbird ESR

Multiple vulnerabilities were found in Mozilla Thunderbird ESR. Malicious users can exploit these vulnerabilities to gain privileges, obtain sensitive information, bypass security restrictions, cause denial of service, execute arbitrary code, spoof user interface. Below is a complete list of...