CVE-2021-38496
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.
- Affected products
- Alt Linux, Astra Linux, Centos, Firefox, Firefox Esr, Linuxmint, Red Hat, Rocky Linux
- Mozilla Firefox
- < 93.0, 91.2
- Mozilla Firefox Esr
- < 78.15
- Mozilla Thunderbird
- < 78.15, 91.2
- Fix
- Available
- CVSS 3.1
- 8.8 HIGH
- EPSS
- 1.6% (73th percentile)
- Weakness
- CWE-416
- NVD status
- Modified
- Published
- 2021-11-03
CVE-2021-38496 at NVD
No indexed exploits for CVE-2021-38496 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2021-38496 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.