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CVE-2021-43535
Published: Dec 8, 2021
Modified: Aug 4, 2024
PUBLISHED
Description
A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox | affected unspecified - < 93 |
Mozilla | Thunderbird | affected unspecified - < 91.3 |
Mozilla | Firefox ESR | affected unspecified - < 91.3 |
References
https://www.mozilla.org/security/advisories/mfsa2021-43/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-49/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-50/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1667102
x_refsource_MISC
DSA-5026
vendor-advisory
x_refsource_DEBIAN
[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update
mailing-list
x_refsource_MLIST
DSA-5034
vendor-advisory
x_refsource_DEBIAN
[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update
mailing-list
x_refsource_MLIST
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