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Ubuntu: (Multiple Advisories) (CVE-2023-4578): Firefox vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-4578): Firefox vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/30/2023
Created
08/31/2023
Added
08/31/2023
Modified
10/04/2023

Description

When calling `JS::CheckRegExpSyntax` a Syntax Error could have been set which would end in calling `convertToRuntimeErrorAndClear`. A path in the function could attempt to allocate memory when none is available which would have caused a newly created Out of Memory exception to be mishandled as a Syntax Error. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

Solution(s)

  • ubuntu-upgrade-firefox
  • ubuntu-upgrade-thunderbird

References

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