Security Vulnerabilities fixed in Firefox ESR 115.32 — Mozilla

CVE-2026-0877: Mitigation bypass in the DOM: Security component Reporter Mingi Jung 정민기입니다 Impact high References Bug 1999257 CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the Graphics component Reporter Oskar L Impact high References Bug 2004602 CVE-2026-0880: Sandbox...

KLA90817 Multiple vulnerabilities in Mozilla Thunderbird ESR

Multiple vulnerabilities were found in Mozilla Thunderbird ESR. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, gain privileges, bypass security restrictions. Below is a complete list of vulnerabilities: 1. Use-after-free vulnerability in the...

Mozilla Thunderbird < 145.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 145.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-90 advisory. - Memory safety bugs present in Firefox 144 and Thunderbird 144. Some of these bugs showed evidence of...

Mozilla Firefox < 145.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 145.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-87 advisory. - Memory safety bugs present in Firefox 144 and Thunderbird 144. Some of these bugs showed evidence of memory...