VDB
DEBIAN-CVE-2026-6752
DEBIAN-CVE-2026-6752
PUBLISHED
CVSS 7.300000190734863 HIGH
Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Risk Scores
CVSS 3.1
7.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | thunderbird | 1:128.8.0esr-1~deb12u1, 1:102.11.0-1, 1:102.12.0-1 |
| Debian:13 | thunderbird | 1:128.13.0esr-1, *, * |
| Debian:11 | firefox-esr | 115.9.1esr-1, 102.1.0esr-1, 102.1.0esr-2 |
| Debian:11 | thunderbird | 140.2.0, 140.1.1, 140.1.0 |
| Debian:12 | firefox-esr | 140.7.0esr-1~deb13u1, 128.10.1, 128.10.1 |
| Debian:13 | firefox-esr | 140.3.0esr-1~deb12u1, 140.3.0esr-1~deb11u2, 140.3.0esr-1~deb11u1 |
| Debian:14 | thunderbird | 1:140.4.0esr-1, 140.7.0, 140.7.0 |
| Debian:14 | firefox-esr | 128.14.0esr-1, 0, 140.6.0 |
Exploit Intelligence
- mfsa2026-30.yml (github-poc)
- mfsa2026-34.yml (github-poc)
- 2026-04-29_417_firefox-esr.yaml (github-poc)
- 2026.xml (github-poc)
- blog-045.ts (github-poc)
Timeline
- Apr 21, 2026 CVE Published
- Apr 28, 2026 CVE Updated