Description
Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
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-2740-1 | firefox-esr security update |
Debian DLA |
DLA-2745-1 | thunderbird security update |
Debian DSA |
DSA-4956-1 | firefox-esr security update |
Debian DSA |
DSA-4959-1 | thunderbird security update |
EUVD |
EUVD-2021-16443 | Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. |
Ubuntu USN |
USN-5037-1 | Firefox vulnerabilities |
Ubuntu USN |
USN-5058-1 | Thunderbird vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-03T22:24:59.218Z
Reserved: 2021-04-01T00:00:00.000Z
Link: CVE-2021-29984
No data.
Status : Modified
Published: 2021-08-17T20:15:07.850
Modified: 2024-11-21T06:02:06.840
Link: CVE-2021-29984
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN