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CVE-2026-2447

CVE Details

Release Date:2026-02-16
Impact:Important What is this?

Description


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.

See more information about CVE-2026-2447 from MITRE CVE dictionary and NIST NVD


NOTE: The following CVSS metrics and score provided are preliminary and subject to review.


CVSS v3 metrics

Base Score: 7.5
Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 10 (firefox) ELSA-2026-33612026-02-26
Oracle Linux version 10 (libvpx) ELSA-2026-46292026-03-16
Oracle Linux version 10 (thunderbird) ELSA-2026-35172026-03-02
Oracle Linux version 7 (firefox) ELSA-2026-39842026-06-10
Oracle Linux version 7 (libvpx) ELSA-2026-53202026-04-07
Oracle Linux version 8 (firefox) ELSA-2026-33382026-02-26
Oracle Linux version 8 (libvpx) ELSA-2026-39672026-03-09
Oracle Linux version 8 (thunderbird) ELSA-2026-35152026-03-02
Oracle Linux version 9 (firefox) ELSA-2026-33392026-02-26
Oracle Linux version 9 (libvpx) ELSA-2026-44472026-03-12
Oracle Linux version 9 (thunderbird) ELSA-2026-35162026-03-02


This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:

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