VDB
DEBIAN-CVE-2021-38496
DEBIAN-CVE-2021-38496
PUBLISHED
CVSS 8.800000190734863 HIGH
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
Risk Scores
CVSS v3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | firefox-esr | 0, 0, 0 |
| Debian:14 | firefox-esr | 0, 0, 0 |
| Debian:12 | thunderbird | 0, 0, 0 |
| Debian:13 | thunderbird | 0, 0, 0 |
| Debian:11 | firefox-esr | 78.15.0, 0, 78.12.0esr-1 |
| Debian:14 | thunderbird | 0, 0, 0 |
| Debian:12 | firefox-esr | 0, 0, 0 |
| Debian:11 | thunderbird | 1:91.4.0-1, 1:91.4.1-1~deb10u1, 1:91.4.1-1~deb9u1 |
Timeline
- Nov 3, 2021 CVE Published
- Apr 28, 2026 CVE Updated