CVE-2018-12377
9.8
CRITICAL · CVSS 3.0 · EPSS 3.4% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
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 | 3.36% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-416 |
| 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/105280
- http://www.securitytracker.com/id/1041610
- https://access.redhat.com/errata/RHSA-2018:2692
- https://access.redhat.com/errata/RHSA-2018:2693
- https://access.redhat.com/errata/RHSA-2018:3403
- https://access.redhat.com/errata/RHSA-2018:3458
- https://bugzilla.mozilla.org/show_bug.cgi?id=1470260
- 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/3761-1/
- https://usn.ubuntu.com/3793-1/
- https://www.debian.org/security/2018/dsa-4287
- https://www.debian.org/security/2018/dsa-4327
- https://www.mozilla.org/security/advisories/mfsa2018-20/
- https://www.mozilla.org/security/advisories/mfsa2018-21/
- https://www.mozilla.org/security/advisories/mfsa2018-25/
- http://www.securityfocus.com/bid/105280
- http://www.securitytracker.com/id/1041610
- https://access.redhat.com/errata/RHSA-2018:2692
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