CVE-2026-16354
Information disclosure in the Graphics: ImageLib component
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 21, 2026 |
| Last Updated | Jul 22, 2026 |
Stay Ahead of the Next One
Get instant alerts for mozilla firefox
Be the first to know when new high vulnerabilities affecting mozilla firefox are published โ delivered to Slack, Telegram or Discord.
Get Free Alerts โ
Free ยท No credit card ยท 60 sec setup
Affected Versions
Mozilla / Firefox
All versions affected Mozilla / Thunderbird
All versions affected References
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2050626 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-68/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-69/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-70/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-71/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-72/
Credits
satyamasd