CVE-2026-74945
MediumPublished
Information disclosure in the Graphics: Text component
- Published
- Aug 18, 2026
- Updated
- Aug 18, 2026
- Assigning CNA
- mozilla
- Evidence observed
- Aug 28, 2026
Primary CVSS
6.5/ 10Medium
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N0.4%
Low · next 30 days
- Percentile
- 37.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Information disclosure in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
Sources
1- PalimpsestPoC
CVE-2026-74945, Uninitialized heap disclosure via a crafted web font (sec-high)
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