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MFSA2021-15 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.10 (CVE-2021-29945)

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MFSA2021-15 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.10 (CVE-2021-29945)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
04/19/2021
Created
04/20/2021
Added
04/20/2021
Modified
07/02/2021

Description

The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Solution(s)

  • mozilla-firefox-esr-upgrade-78_10

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