CVE-2026-2788: Incorrect boundary conditions in the Audio/Video: GMP component
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.
Other sources
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
— MITRE
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-2757
- CVE-2026-2794
- CVE-2026-2758
- CVE-2026-2759
- CVE-2026-2795
- CVE-2026-2760
- CVE-2026-2761
- CVE-2026-2762
- CVE-2026-2763
- CVE-2026-2764
- CVE-2026-2796
- CVE-2026-2797
- CVE-2026-2765
- CVE-2026-2766
- CVE-2026-2767
- CVE-2026-2768
- CVE-2026-2798
- CVE-2026-2769
- CVE-2026-2799
- CVE-2026-2770
- CVE-2026-2771
- CVE-2026-2772
- CVE-2026-2773
- CVE-2026-2774
- CVE-2026-2775
- CVE-2026-2776
- CVE-2026-2777
- CVE-2026-2778
- CVE-2026-2779
- CVE-2026-2800
- CVE-2026-2780
- CVE-2026-2781
- CVE-2026-2801
- CVE-2026-2782
- CVE-2026-2783
- CVE-2026-2802
- CVE-2026-2803
- CVE-2026-2784
- CVE-2026-2785
- CVE-2026-2804
- CVE-2026-2786
- CVE-2026-2805
- CVE-2026-2787
- CVE-2026-2788
- CVE-2026-2789
- CVE-2026-2806
- CVE-2026-2790
- CVE-2026-2791
- CVE-2026-2807
- CVE-2026-2792
- CVE-2026-2793
Frequently Asked Questions
What is the severity of CVE-2026-2788?
The severity of CVE-2026-2788 is critical, with a CVSS score of 9.8.
What software is affected by CVE-2026-2788?
CVE-2026-2788 affects Mozilla Firefox versions prior to 148, Firefox ESR versions prior to 115.33, and Firefox ESR versions prior to 140.8.
How do I fix CVE-2026-2788?
To fix CVE-2026-2788, you should update to Mozilla Firefox version 148 or later, or to the appropriate versions of Firefox ESR.
What is the nature of the vulnerability in CVE-2026-2788?
CVE-2026-2788 involves incorrect boundary conditions in the Audio/Video: GMP component, leading to potential buffer overflow.
When was CVE-2026-2788 published?
CVE-2026-2788 was published on February 24, 2026.