Vulnerabilities > CVE-2021-29988 - Out-of-bounds Write vulnerability in Mozilla Thunderbird
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1717922
- https://bugzilla.mozilla.org/show_bug.cgi?id=1717922
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://security.gentoo.org/glsa/202208-14
- https://www.mozilla.org/security/advisories/mfsa2021-33/
- https://www.mozilla.org/security/advisories/mfsa2021-33/
- https://www.mozilla.org/security/advisories/mfsa2021-34/
- https://www.mozilla.org/security/advisories/mfsa2021-34/
- https://www.mozilla.org/security/advisories/mfsa2021-35/
- https://www.mozilla.org/security/advisories/mfsa2021-35/
- https://www.mozilla.org/security/advisories/mfsa2021-36/
- https://www.mozilla.org/security/advisories/mfsa2021-36/