CVE-2021-29945

Name
CVE-2021-29945
Description
The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1700690
MISC https://www.mozilla.org/security/advisories/mfsa2021-15/
MISC https://www.mozilla.org/security/advisories/mfsa2021-16/
MISC https://www.mozilla.org/security/advisories/mfsa2021-14/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:x86:* firefox >= None < 88.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:x86:* firefox_esr >= None < 78.10
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:x86:* thunderbird >= None < 78.10

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
mozjs78 3.13-community 78.10.0-r0 Rasmus Thomsen <oss@cogitri.dev> fixed