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CVE-2018-12376
CRITICAL
Memory safety bugs present in Firefox 61 and Firefox ESR 60.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
Published: Oct 18, 2018
Modified: Jun 17, 2026
CWE-119
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-qv7h-qvhv-jxmh
Memory safety bugs present in Firefox 61 and Firefox ESR 60.1. Some of these bugs showed evidence...
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/buglist.cgi?bug_id=1469309%2C1469914%2C1450989%2C1480092%2C1480517%2C1481093%2C1478575%2C1471953%2C1473161%2C1466991%2C1468738%2C1483120%2C1467363%2C1472925%2C1466577%2C1467889%2C1480521%2C1478849 Issue Tracking, Third Party 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
3.15%
Top 13% most likely to be exploited
Threat Score
40.1 / 100
Data Sources
NVD
EPSS
GitHub