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libvpx

A security update for Mozilla Firefox and related components addresses multiple vulnerabilities including heap buffer overflow, use-after-free, integer overflows, sandbox escapes, privilege escalations, mitigation bypasses, and information disclosure issues. These vulnerabilities affect various Firefox components such as the JavaScript engine, DOM, Audio/Video, Networking, Graphics, and Storage. The update is provided by Red Hat for Firefox versions distributed with Red Hat Enterprise Linux 9.2 and related products. The advisory rates the security impact as Important (high severity).

CVE-2026-2447 describes a heap buffer overflow vulnerability in the libvpx component used by Mozilla Firefox and Thunderbird. The vulnerability allows for potential memory corruption leading to high impact on confidentiality, integrity, and availability. Mozilla fixed this issue in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high severity. Exploitation via Thunderbird email is generally mitigated by disabled scripting, but browser contexts remain vulnerable if unpatched.

Detailed information about Red Hat Security Advisory: libvpx security update affecting Red Hat Product Security Red Hat. Get real-time updates, technical detail

Libvpx: Vulnerability in Mozilla Firefox (CVE-2026-2447) - Live Threat Intelligence - Threat Radar | OffSeq.com

Libvpx: Vulnerability in Mozilla Firefox (CVE-2026-2447)

Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.

This vulnerability (CVE-2026-2447) involves a heap buffer overflow in the libvpx library component used by Mozilla Firefox and Thunderbird. The issue was reported by jayjayjazz and is tracked under Bug 2014390. It affects Firefox versions prior to 147.0.4 and ESR versions prior to 140.7.1 and 115.32.1, and Thunderbird versions prior to 140.7.2 and 147.0.2. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts confidentiality, integrity, and availability. Mozilla has released official fixes in the specified versions. Thunderbird's email context generally mitigates exploitation due to disabled scripting, but browser-like contexts remain vulnerable if unpatched.

Detailed information about CVE-2026-2447: Vulnerability in Mozilla Firefox affecting Mozilla Firefox. Get real-time updates, technical details, and mitigation s

CVE-2026-2447: Vulnerability in Mozilla Firefox - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-2447: Vulnerability in Mozilla Firefox


Libvpx: Vulnerability in Mozilla Firefox (CVE-2026-2447)CVE-2026-2447 0 A security update for Mozilla Firefox and related components addresses multiple vulnerabilities including heap buffer overflow, use-after-free, integer overflows, sandbox escapes, privilege escalations, mitigation bypasses, and information disclosure issues. These vulnerabilities affect various Firefox components such as the JavaScript engine, DOM, Audio/Video, Networking, Graphics, and Storage. The update is provided by Red Hat for Firefox versions distributed with Red Hat Enterprise Linux 9.2 and related products. The advisory rates the security impact as Important (high severity). HighVulnerability#gcve #csaf #cve-2026-2447 Join the discussion	GCVE Database	02/16/2026, 14:13:23 UTC Added: 06/25/2026, 21:46:41 UTC
CVE-2026-2447: Vulnerability in Mozilla FirefoxCVE-2026-2447 0 Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2. HighVulnerability#cve #cve-2026-2447 Join the discussion	CVE Database V5	02/16/2026, 14:13:23 UTC Added: 02/17/2026, 08:23:13 UTC

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