DEBIAN-CVE-2018-12359

Advisory lineage Upstream: 1 Downstream: 4
Upstream
CVE-2018-12359
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 buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. 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)