CVE-2021-29980
Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
- Affected products
- Alt Linux, Astra Linux, Centos, Firefox, Firefox Esr, Linuxmint, Red Hat, Rocky Linux
- Mozilla Firefox
- < 91.0
- Mozilla Firefox Esr
- < 78.13.0
- Mozilla Thunderbird
- < 78.13.0
- Fix
- Available
- CVSS 3.1
- 8.8 HIGH
- EPSS
- 1.4% (70th percentile)
- Weakness
- CWE-909
- NVD status
- Modified
- Published
- 2021-08-17
CVE-2021-29980 at NVD
No indexed exploits for CVE-2021-29980 yet
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No exploit for CVE-2021-29980 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.