CVE-2026-100823: Vulnerability in Mozilla Firefox
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.
AI Analysis
Technical Summary
This vulnerability involves a spoofing issue within the Downloads component of Firefox for Android. Spoofing vulnerabilities typically allow an attacker to present false information to users, potentially leading to confusion or deception. Mozilla fixed this vulnerability in Firefox 157 as part of a security advisory that addressed multiple high-impact vulnerabilities across various Firefox components.
Potential Impact
The impact is classified as high by Mozilla, indicating that successful exploitation could significantly affect user security by misleading users through spoofed download information. However, there is no indication of active exploitation in the wild at this time.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 157. Users and administrators should update Firefox for Android to version 157 or later to remediate this issue. No additional mitigation steps are required beyond applying the update.
CVE-2026-100823: Vulnerability in Mozilla Firefox
Description
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.
Affected software
Mozilla
Firefox
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a spoofing issue within the Downloads component of Firefox for Android. Spoofing vulnerabilities typically allow an attacker to present false information to users, potentially leading to confusion or deception. Mozilla fixed this vulnerability in Firefox 157 as part of a security advisory that addressed multiple high-impact vulnerabilities across various Firefox components.
Potential Impact
The impact is classified as high by Mozilla, indicating that successful exploitation could significantly affect user security by misleading users through spoofed download information. However, there is no indication of active exploitation in the wild at this time.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 157. Users and administrators should update Firefox for Android to version 157 or later to remediate this issue. No additional mitigation steps are required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:18:40.744Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3f7f7a7c541066409c3
Added to database: 09/29/2026, 12:49:59 UTC
Last enriched: 09/29/2026, 13:03:13 UTC
Last updated: 09/29/2026, 18:20:13 UTC
Views: 9
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