VDB
DEBIAN-CVE-2026-2781
DEBIAN-CVE-2026-2781
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35.
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | firefox-esr | 91.12.0esr-1~deb10u1, 91.9.1, 91.9.1 |
| Debian:13 | thunderbird | 1:140.4.0esr-1~deb11u1, 1:140.3.1esr-1, 1:140.3.0esr-1~deb12u1 |
| Debian:13 | nss | 0, 2:3.110-1, 0 |
| Debian:11 | thunderbird | 1:78.14.0-1~deb11u1, 1:78.14.0-1~deb9u1, 1:84.0~b3-1 |
| Debian:14 | nss | 3.120-1, 3.119-1, 3.117-1 |
| Debian:12 | firefox-esr | 115.6.0esr-1~deb12u1, 0, 102.11.0esr-1 |
| Debian:14 | thunderbird | 140.5.0, 1:140.4.0esr-1~deb11u1, 1:140.4.0esr-1 |
| Debian:12 | nss | 2:3.87.1-1+deb12u1, 2:3.87.1-1, 3.87.1-1 |
| Debian:14 | firefox-esr | 140.5.0, *, 128.13.0esr-1 |
| Debian:11 | nss | 0, 2:3.61-1, 3.61-1 |
| Debian:13 | firefox-esr | 140.3.1esr-1~deb12u1, 140.3.1esr-1~deb13u1, 140.3.1esr-2 |
| Debian:12 | thunderbird | 137.0-1, 136.0-1, 135.0-1 |
Exploit Intelligence
- mfsa2026-15.yml (github-poc)
- 2026-03-18_370_nss.yaml (github-poc)
- 2026.xml (github-poc)
Timeline
- Feb 24, 2026 CVE Published
- Apr 28, 2026 CVE Updated