CVE-2026-8954: Vulnerability in Mozilla Firefox
Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-8954, concerns incorrect boundary conditions and an integer overflow within the Audio/Video component of Mozilla Firefox. Such flaws can lead to memory corruption or unexpected behavior in processing audio/video data. Mozilla fixed this issue in Firefox 151 and Firefox ESR 140.11. The vendor advisories list this vulnerability among several others resolved in these releases. No further technical exploitation details are provided in the advisory.
Potential Impact
The impact is classified as moderate by Mozilla. The vulnerability could potentially lead to memory corruption or other unintended behavior in the Audio/Video component, which might be leveraged for further attacks. However, there are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Official fixes for this vulnerability are available in Firefox 151 and Firefox ESR 140.11. Users and administrators should update affected Firefox installations to these or later versions to remediate the issue. No additional mitigation steps are indicated by the vendor advisories.
CVE-2026-8954: Vulnerability in Mozilla Firefox
Description
Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-8954, concerns incorrect boundary conditions and an integer overflow within the Audio/Video component of Mozilla Firefox. Such flaws can lead to memory corruption or unexpected behavior in processing audio/video data. Mozilla fixed this issue in Firefox 151 and Firefox ESR 140.11. The vendor advisories list this vulnerability among several others resolved in these releases. No further technical exploitation details are provided in the advisory.
Potential Impact
The impact is classified as moderate by Mozilla. The vulnerability could potentially lead to memory corruption or other unintended behavior in the Audio/Video component, which might be leveraged for further attacks. However, there are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Official fixes for this vulnerability are available in Firefox 151 and Firefox ESR 140.11. Users and administrators should update affected Firefox installations to these or later versions to remediate the issue. No additional mitigation steps are indicated by the vendor advisories.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-05-19T12:29:47.489Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-46/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-48/","vendor":"Mozilla"}]
Threat ID: 6a0c677bec166c07b0a993d6
Added to database: 5/19/2026, 1:36:59 PM
Last enriched: 5/19/2026, 2:06:43 PM
Last updated: 5/20/2026, 6:15:50 PM
Views: 11
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