CVE-2021-43539

Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2021-52/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1739683	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2021-54/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-53/	Vendor Advisory
https://www.debian.org/security/2021/dsa-5026	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html	Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5034	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202202-03	Third Party Advisory
https://security.gentoo.org/glsa/202208-14	Third Party Advisory

Configuration 1

cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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Published : 2021-12-08 10:15

Updated : 2022-12-09 03:55

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NVD link : CVE-2021-43539

Mitre link : CVE-2021-43539

No products.

CWE-416