A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2740-1 firefox-esr security update
Debian DLA Debian DLA DLA-2745-1 thunderbird security update
Debian DSA Debian DSA DSA-4956-1 firefox-esr security update
Debian DSA Debian DSA DSA-4959-1 thunderbird security update
EUVD EUVD EUVD-2021-16445 A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Ubuntu USN Ubuntu USN USN-5037-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5058-1 Thunderbird vulnerabilities
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-03T22:24:57.578Z

Reserved: 2021-04-01T00:00:00

Link: CVE-2021-29986

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-17T20:15:07.933

Modified: 2024-11-21T06:02:07.087

Link: CVE-2021-29986

cve-icon Redhat

Severity : Important

Publid Date: 2021-08-10T00:00:00Z

Links: CVE-2021-29986 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses