VDB
DEBIAN-CVE-2026-6772
DEBIAN-CVE-2026-6772
PUBLISHED
CVSS 7.5 HIGH
Incorrect boundary conditions in the Libraries component in NSS. 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
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | thunderbird | 140.7.0, 140.7.0, 140.9.1 |
| Debian:12 | firefox-esr | 140.9.1, 140.9.1, 102.13.0 |
| Debian:14 | nss | 3.119-1, 3.117-1, 3.116-1 |
| Debian:14 | thunderbird | 140.3.0, 0, 1:128.14.0esr-1~deb11u1 |
| Debian:11 | nss | 2:3.90-1, 3.99-1, 3.98-1 |
| Debian:12 | nss | 2:3.100-1, 3.99-1, 3.98-1 |
| Debian:14 | firefox-esr | 140.5.0esr-1, 140.5.0esr-1~deb11u1, 140.5.0esr-1~deb12u1 |
| Debian:11 | thunderbird | 128.3.2, 0, 1:102.0.1-1 |
| Debian:13 | firefox-esr | *, 140.4.0, 140.4.0 |
| Debian:13 | nss | 3.121-1, 3.120-1, 3.119-1 |
| Debian:12 | thunderbird | 115.7.0-1, 115.7.0-1, 115.7.0-1 |
| Debian:11 | firefox-esr | 102.13.0esr-1~deb10u1, 102.12.0esr-1~deb11u1, 102.12.0esr-1 |
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