VDB
CVE-2026-109765
CVE-2026-109765
PUBLISHED
CVSS 4.2 MEDIUM
Reported by mozilla · Published October 13, 2026
Race condition, use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Risk Scores
CVSS 3.1
4.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | 153.5, 158 |
| Mozilla | Thunderbird | 153.5, 158 |
| chainguard | firefox-esr-140 | 0 |
| Mozilla | Firefox | 153.5, 158 |
| Mozilla | Thunderbird | 153.5, 158 |
Timeline
- Oct 13, 2026 Coalition ESS Score
- Oct 13, 2026 CVE Published
- Oct 13, 2026 CVE Updated
- Oct 14, 2026 EPSS Score
- Oct 21, 2026 EPSS Score
- Oct 25, 2026 EPSS Score