DEBIAN-CVE-2022-45406

Advisory lineage Upstream: 1 Downstream: 4
Upstream
CVE-2022-45406
Published: 22 Dec 2022, 20:15
Last modified:15 Jun 2026, 19:04

Vulnerability Summary

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

Timeline

22 Dec 2022, 20:15
Published
Vulnerability first disclosed
15 Jun 2026, 19:04
Last Modified
Vulnerability information updated

Description

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

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

  • debian•firefox-esr

    < 102.5.0esr-1~deb11u1 | < 102.5.0esr-1 | < 102.5.0esr-1 | < 102.5.0esr-1

  • debian•thunderbird

    < 1:102.5.0-1~deb11u1 | < 1:102.5.0-1 | < 1:102.5.0-1 | < 1:102.5.0-1

References (1)