Rapid7 Vulnerability & Exploit Database

MFSA2023-34 Firefox: Security Vulnerabilities fixed in Firefox 117 (CVE-2023-4577)

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MFSA2023-34 Firefox: Security Vulnerabilities fixed in Firefox 117 (CVE-2023-4577)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/29/2023
Created
08/30/2023
Added
08/30/2023
Modified
09/15/2023

Description

When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

Solution(s)

  • mozilla-firefox-upgrade-117_0

References

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