CVE-2018-5156

high-risk
Published 2018-10-18

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.

Do I need to act?

~
3.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (18)

Affected Vendors

Debian Redhat Mozilla Canonical

References (32)

Third Party Advisory http://www.securityfocus.com/bid/104560
Third Party Advisory http://www.securitytracker.com/id/1041193
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2112
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2113
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1453127
Mailing List https://lists.debian.org/debian-lts-announce/2018/06/msg00014.html
Mailing List https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
Third Party Advisory https://security.gentoo.org/glsa/201810-01
Third Party Advisory https://security.gentoo.org/glsa/201811-13
Third Party Advisory https://usn.ubuntu.com/3705-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4235
Third Party Advisory https://www.debian.org/security/2018/dsa-4295
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-15/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-16/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-17/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-19/
Third Party Advisory http://www.securityfocus.com/bid/104560
Third Party Advisory http://www.securitytracker.com/id/1041193
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2112
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2113
and 12 more references
57
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 19/34 · Moderate