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CVE-2018-12377
CRITICAL
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.
Published: Oct 18, 2018
Modified: Jun 17, 2026
CWE-416
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (18)
| Vendor | Product | Version |
|---|---|---|
| redhat | enterprise_linux_desktop | 6.0 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_server | 6.0 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_server_aus | 7.6 |
| redhat | enterprise_linux_server_eus | 7.5 |
| redhat | enterprise_linux_server_eus | 7.6 |
| redhat | enterprise_linux_server_tus | 7.6 |
| redhat | enterprise_linux_workstation | 6.0 |
| redhat | enterprise_linux_workstation | 7.0 |
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 16.04 |
| canonical | ubuntu_linux | 18.04 |
| mozilla | firefox | * < 60.2.0 |
| mozilla | firefox | * < 62.0 |
| mozilla | thunderbird | * < 60.2.1 |
GitHub Security Advisory GHSA-q5f8-grf8-9ff4
A use-after-free vulnerability can occur when refresh driver timers are refreshed in some...
References (34)
- http://www.securityfocus.com/bid/105280 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041610 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2692 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2693 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3403 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3458 Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1470260 Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html Mailing List, 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/3761-1/ Third Party Advisory
- https://usn.ubuntu.com/3793-1/ Third Party Advisory
- https://www.debian.org/security/2018/dsa-4287 Third Party Advisory
- https://www.debian.org/security/2018/dsa-4327 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-20/ Vendor Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
3.36%
Top 12% most likely to be exploited
Threat Score
40.2 / 100
Data Sources
NVD
EPSS
GitHub