VDB
DEBIAN-CVE-2026-6757
DEBIAN-CVE-2026-6757
PUBLISHED
CVSS 6.300000190734863 MEDIUM
Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Risk Scores
CVSS 3.1
6.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | thunderbird | 0, 1:128.13.0esr-1, 1:128.14.0esr-1 |
| Debian:12 | firefox-esr | 128.10.1esr-1~deb12u1, 128.10.1esr-1, 128.10.0esr-1~deb12u1 |
| Debian:14 | firefox-esr | 128.13.0esr-1, 128.14.0esr-1~deb12u1, 128.14.0esr-1~deb13u1 |
| Debian:12 | thunderbird | 0, 1:102.11.0-1, 1:102.12.0-1~deb10u1 |
| Debian:11 | thunderbird | 140.9.1, 140.9.1, 140.9.1 |
| Debian:13 | thunderbird | 140.7.1, 1:140.9.1esr-1, 1:140.9.1esr-1~deb11u1 |
| Debian:13 | firefox-esr | *, 0, 128.13.0 |
| Debian:11 | firefox-esr | 140.4.0, 140.4.0, 140.4.0 |
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)
Timeline
- Apr 21, 2026 CVE Published
- Apr 28, 2026 CVE Updated