VDB
CVE-2026-74958
CVE-2026-74958
PUBLISHED
CVSS 7.5 HIGH
Reported by mozilla · Published August 18, 2026
Information disclosure in the WebRTC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | 153.1, 154 |
| Mozilla | Thunderbird | 153.1, 154 |
| Mozilla | Thunderbird | 153.1, 154 |
| wolfi | firefox | 0, 0, 0 |
| chainguard | firefox | 0, 0, 0 |
| Mozilla | Firefox | 153.1, 154 |
Timeline
- Aug 18, 2026 Coalition ESS Score
- Aug 18, 2026 CVE Published
- Aug 19, 2026 CVE Updated
- Aug 24, 2026 EPSS Score
- Aug 28, 2026 EPSS Score
- Sep 5, 2026 EPSS Score
- Sep 5, 2026 Security Advisory
- Sep 9, 2026 EPSS Score
- Sep 12, 2026 EPSS Score
- Sep 16, 2026 EPSS Score
- Sep 18, 2026 EPSS Score
- Sep 24, 2026 EPSS Score