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MFSA2021-33 Firefox: Security Vulnerabilities fixed in Firefox 91 (CVE-2021-29986)

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MFSA2021-33 Firefox: Security Vulnerabilities fixed in Firefox 91 (CVE-2021-29986)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
08/10/2021
Created
08/12/2021
Added
08/12/2021
Modified
08/27/2021

Description

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.

Solution(s)

  • mozilla-firefox-upgrade-91_0

References

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