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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2863-1 | firefox-esr security update |
Debian DLA |
DLA-2874-1 | thunderbird security update |
Debian DSA |
DSA-5026-1 | firefox-esr security update |
Debian DSA |
DSA-5034-1 | thunderbird security update |
EUVD |
EUVD-2021-30464 | 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. |
Ubuntu USN |
USN-5248-1 | Thunderbird vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-04T03:55:29.311Z
Reserved: 2021-11-08T00:00:00.000Z
Link: CVE-2021-43535
No data.
Status : Modified
Published: 2021-12-08T22:15:09.517
Modified: 2024-11-21T06:29:22.570
Link: CVE-2021-43535
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
EUVD
Ubuntu USN