Skip to main content

CVE-2026-100810: Vulnerability in Mozilla Firefox

0
High
VulnerabilityCVE-2026-100810cvecve-2026-100810
Published: 09/29/2026 (09/29/2026, 12:36:24 UTC)
Source: CVE Database V5
Vendor/Project: Mozilla
Product: Firefox

Description

Other issue in the DevTools component. This vulnerability was fixed in Firefox 157.

Affected software

Mozilla

Firefox

GitHub Actionsmore threats →ai
mozilla/firefox
pkg:github/mozilla/firefox
Affected versions
<157

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/29/2026, 13:03:58 UTC

Technical Analysis

This vulnerability concerns an unspecified issue within the DevTools component of Mozilla Firefox. It was publicly disclosed and fixed in Firefox 157 as part of a security advisory that addressed multiple high-impact vulnerabilities across various Firefox components. The vendor advisory does not provide detailed technical information about the nature of the flaw beyond its location in DevTools.

Potential Impact

The vendor advisory categorizes this vulnerability as having high impact, indicating it could potentially allow significant security consequences if exploited. However, no specific impact scenarios or exploitation details are provided. The fix in Firefox 157 mitigates the risk.

Mitigation Recommendations

Mozilla fixed this vulnerability in Firefox 157. Users and administrators should update to Firefox 157 or later to remediate this issue. No additional mitigation actions are indicated or required according to the vendor advisory.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
mozilla
Date Reserved
2026-09-26T19:18:08.721Z
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]

Threat ID: 6abbb3f5f7a7c541066409b1

Added to database: 09/29/2026, 12:49:57 UTC

Last enriched: 09/29/2026, 13:03:58 UTC

Last updated: 09/29/2026, 18:20:13 UTC

Views: 7

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses