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.
References
Link | Resource |
---|---|
https://bugzilla.mozilla.org/show_bug.cgi?id=1667102 | Issue Tracking Permissions Required Vendor Advisory |
https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html | Mailing List Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html | Mailing List Third Party Advisory |
https://www.debian.org/security/2021/dsa-5026 | Third Party Advisory |
https://www.debian.org/security/2022/dsa-5034 | Issue Tracking Third Party Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-43/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-49/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-50/ | Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mozilla
Published: 2021-12-08T21:20:35
Updated: 2022-01-04T11:06:40
Reserved: 2021-11-08T00:00:00
Link: CVE-2021-43535
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-12-08T22:15:09.517
Modified: 2022-03-17T19:58:14.983
Link: CVE-2021-43535
JSON object: View
Redhat Information
No data.
CWE