VULNERABILITY INTELLIGENCE

CVE-2023-37209

CVSS score8.8 HIGH
EPSS probability0.59%
CISA KEVNot currently listed
Published2023-07-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object was freed and a reference to that object remained. This resulted in a potentially exploitable condition when the reference to that object was later reused. This vulnerability affects Firefox < 115.

Weakness classification

  • nvd@nist.gov: CWE-416

Primary references