DEBIAN-CVE-2018-12363

Advisory lineage Upstream: 1 Downstream: 4
Upstream
CVE-2018-12363
Published: 18 Oct 2018, 13:29
Last modified:28 Apr 2026, 20:18

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Oct 2018, 13:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:18
Last Modified
Vulnerability information updated

Description

A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, resulting in the old document that held the node being freed but the node still having a pointer referencing it. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

CVSS Metrics

  • v3.0•HIGH•Score: 8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • debian•firefox-esr

    < 52.9.0esr-1 | < 52.9.0esr-1 | < 52.9.0esr-1 | < 52.9.0esr-1

  • debian•thunderbird

    < 1:52.9.0-1 | < 1:52.9.0-1 | < 1:52.9.0-1 | < 1:52.9.0-1

References (1)