CVE-2026-2788 - Vulnerability Analysis

Overview

Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8 contain a vulnerability caused by incorrect boundary conditions in the Audio/Video GMP component, letting attackers potentially cause unexpected behavior, exploit requires crafted input.

Severity & Score

Impact

Attackers can cause unexpected behavior, potentially leading to denial of service or other impacts.

Mitigation

Update to Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8 or later.

References

• https://www.mozilla.org/security/advisories/mfsa2026-13/
• https://www.mozilla.org/security/advisories/mfsa2026-14/
• https://www.mozilla.org/security/advisories/mfsa2026-15/
• https://www.mozilla.org/security/advisories/mfsa2026-16/
• https://www.mozilla.org/security/advisories/mfsa2026-17/
• https://bugzilla.mozilla.org/show_bug.cgi?id=2014824

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Feb 26, 2026

🔴 CVE-2026-2788 - Critical (9.8) Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-2788/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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