CVE-2018-5156
9.8
CRITICAL · CVSS 3.0 · EPSS 3.8% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.76% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-10-18 |
| Last modified | 2026-06-17 |
Affected (10)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | debian linux |
| mozilla | firefox |
| mozilla | thunderbird |
| redhat | enterprise linux desktop |
| redhat | enterprise linux server |
| redhat | enterprise linux server aus |
| redhat | enterprise linux server eus |
| redhat | enterprise linux server tus |
| redhat | enterprise linux workstation |
References
- http://www.securityfocus.com/bid/104560
- http://www.securitytracker.com/id/1041193
- https://access.redhat.com/errata/RHSA-2018:2112
- https://access.redhat.com/errata/RHSA-2018:2113
- https://bugzilla.mozilla.org/show_bug.cgi?id=1453127
- https://lists.debian.org/debian-lts-announce/2018/06/msg00014.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- https://security.gentoo.org/glsa/201810-01
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3705-1/
- https://www.debian.org/security/2018/dsa-4235
- https://www.debian.org/security/2018/dsa-4295
- https://www.mozilla.org/security/advisories/mfsa2018-15/
- https://www.mozilla.org/security/advisories/mfsa2018-16/
- https://www.mozilla.org/security/advisories/mfsa2018-17/
- https://www.mozilla.org/security/advisories/mfsa2018-19/
- http://www.securityfocus.com/bid/104560
- http://www.securitytracker.com/id/1041193
- https://access.redhat.com/errata/RHSA-2018:2112
- https://access.redhat.com/errata/RHSA-2018:2113
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