VulnerabilityModified
CVE-2018-12377
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.
CRITICAL 9.8EPSS 3.36%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.36% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- 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 · debian/debian linux · canonical/ubuntu linux · mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- http://www.securityfocus.com/bid/105280Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041610Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2692Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2693Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3403Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3458Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1470260Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://security.gentoo.org/glsa/201811-13Third Party Advisory
- https://usn.ubuntu.com/3761-1/Third Party Advisory
- https://usn.ubuntu.com/3793-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4287Third Party Advisory
- https://www.debian.org/security/2018/dsa-4327Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-25/Vendor Advisory
- http://www.securityfocus.com/bid/105280Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041610Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2692Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2693Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3403Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3458Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1470260Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://security.gentoo.org/glsa/201811-13Third Party Advisory
- https://usn.ubuntu.com/3761-1/Third Party Advisory
- https://usn.ubuntu.com/3793-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4287Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.