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CVE-2018-5188
CRITICAL
Memory safety bugs present in Firefox 60, Firefox ESR 60, and Firefox ESR 52.8. 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 Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
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 (20)
| Vendor | Product | Version |
|---|---|---|
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 16.04 |
| canonical | ubuntu_linux | 17.10 |
| canonical | ubuntu_linux | 18.04 |
| mozilla | firefox | * < 61.0 |
| mozilla | firefox | * ≥ 53.0 < 60.1.0 |
| mozilla | firefox_esr | * < 52.9 |
| mozilla | thunderbird | * < 52.9 |
| 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 |
GitHub Security Advisory GHSA-r3cm-g44g-3hg8
Memory safety bugs present in Firefox 60, Firefox ESR 60, and Firefox ESR 52.8. Some of these...
References (38)
- http://www.securityfocus.com/bid/104555 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2112 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2113 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2251 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2252 Third Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1456189%2C1456975%2C1465898%2C1392739%2C1451297%2C1464063%2C1437842%2C1442722%2C1452576%2C1450688%2C1458264%2C1458270%2C1465108%2C1464829%2C1464079%2C1463494%2C1458048 Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00014.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00013.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/3705-1/ Third Party Advisory
- https://usn.ubuntu.com/3714-1/ Third Party Advisory
- https://usn.ubuntu.com/3749-1/ Third Party Advisory
- https://www.debian.org/security/2018/dsa-4244 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-15/ Vendor Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
3.95%
Top 10% most likely to be exploited
Threat Score
40.4 / 100
Data Sources
NVD
EPSS
GitHub