UBUNTU-CVE-2023-5172

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2023-5172
Downstream
USN-6404-1
Published: 28 Sept 2023, 00:00
Last modified:04 Feb 2026, 03:58

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Sept 2023, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 03:58
Last Modified
Vulnerability information updated

Description

A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 118.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•firefox

    < 118.0.1+build1-0ubuntu0.20.04.1

  • ubuntu•mozjs102

    all | all

  • ubuntu•mozjs38

    all

  • ubuntu•mozjs52

    all | all

  • ubuntu•mozjs68

    all

  • ubuntu•mozjs78

    all

  • ubuntu•mozjs91

    all

References (6)