DEBIAN-CVE-2018-5156

Advisory lineage Upstream: 1 Downstream: 4
Published: 18 Oct 2018, 13:29
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
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, 20:19
Last Modified
Vulnerability information updated

Description

A vulnerability can occur when capturing a media stream when the media source type is changed as the capture is occurring. This can result in stream data being cast to the wrong type causing a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

CVSS Metrics

  • v3.0CRITICALScore: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debianfirefox-esr

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

  • debianthunderbird

    < 1:60.0-1 | < 1:60.0-1 | < 1:60.0-1 | < 1:60.0-1

References (1)