CVE-2026-100805: Vulnerability in Mozilla Firefox
Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 157.
AI Analysis
Technical Summary
This vulnerability involves a race condition and use-after-free flaw in Firefox's Audio/Video component, which can lead to memory safety issues. Mozilla fixed this vulnerability in Firefox 157 as part of a broader security advisory (MFSA 2026-97) addressing multiple high-impact memory safety bugs. No CVSS score is provided, but the vendor rates the impact as high.
Potential Impact
The vulnerability could allow an attacker to exploit memory safety issues such as use-after-free conditions, potentially leading to crashes or other unintended behavior. The vendor classifies the impact as high, indicating serious security implications if exploited.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox version 157. Users and administrators should update to Firefox 157 or later to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-100805: Vulnerability in Mozilla Firefox
Description
Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 157.
CVSS v3.1
Score 7.5high
Affected software
Mozilla
Firefox
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition and use-after-free flaw in Firefox's Audio/Video component, which can lead to memory safety issues. Mozilla fixed this vulnerability in Firefox 157 as part of a broader security advisory (MFSA 2026-97) addressing multiple high-impact memory safety bugs. No CVSS score is provided, but the vendor rates the impact as high.
Potential Impact
The vulnerability could allow an attacker to exploit memory safety issues such as use-after-free conditions, potentially leading to crashes or other unintended behavior. The vendor classifies the impact as high, indicating serious security implications if exploited.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox version 157. Users and administrators should update to Firefox 157 or later to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:17:55.926Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3f3f7a7c541066409a5
Added to database: 09/29/2026, 12:49:55 UTC
Last enriched: 09/29/2026, 13:17:44 UTC
Last updated: 09/29/2026, 18:20:13 UTC
Views: 7
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