Race Condition Affecting firefox-esr package, versions <115.1.0esr-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.23% (61st percentile)

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  • Snyk IDSNYK-DEBIAN13-FIREFOXESR-5813284
  • published2 Aug 2023
  • disclosed1 Aug 2023

Introduced: 1 Aug 2023

CVE-2023-4049  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Debian:13 firefox-esr to version 115.1.0esr-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVSS Scores

version 3.1