CVE-2018-5156

critical

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.

References

Advisories
More

https://www.debian.org/security/2018/dsa-4295

https://www.debian.org/security/2018/dsa-4235

https://usn.ubuntu.com/3705-1/

https://security.gentoo.org/glsa/201811-13

https://security.gentoo.org/glsa/201810-01

https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html

https://lists.debian.org/debian-lts-announce/2018/06/msg00014.html

https://access.redhat.com/errata/RHSA-2018:2113

https://access.redhat.com/errata/RHSA-2018:2112

http://www.securitytracker.com/id/1041193

http://www.securityfocus.com/bid/104560

https://www.mozilla.org/security/advisories/mfsa2018-19/

https://www.mozilla.org/security/advisories/mfsa2018-17/

https://www.mozilla.org/security/advisories/mfsa2018-16/

https://www.mozilla.org/security/advisories/mfsa2018-15/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-16942

https://bugzilla.mozilla.org/show_bug.cgi?id=1453127

Details

Source: Mitre, NVD

Published: 2018-10-18

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.0272