CVE-2023-4049

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CVSS 3.1

5.9 medium

EPSS

<1%p48

Published

Aug 1, 2023 (Aug 1, 2023)

Modified

Jun 17, 2026

Description

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.

Vendors: mozilla debian
Products: firefox, debian linux
Weakness: CWE-362
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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