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CVE-2018-5095
CRITICAL
An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
Published: Jun 11, 2018
Modified: Jun 17, 2026
CWE-190
CWE-908
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 (21)
| Vendor | Product | Version |
|---|---|---|
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
| redhat | enterprise_linux | 6.0 |
| redhat | enterprise_linux | 7.0 |
| 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 | 7.3 |
| redhat | enterprise_linux_server_aus | 7.4 |
| redhat | enterprise_linux_server_eus | 7.3 |
| redhat | enterprise_linux_server_eus | 7.4 |
| redhat | enterprise_linux_server_eus | 7.5 |
| redhat | enterprise_linux_workstation | 6.0 |
| redhat | enterprise_linux_workstation | 7.0 |
| mozilla | firefox | * < 58.0 |
| mozilla | firefox | * < 52.6.0 |
| mozilla | thunderbird | * < 52.6.0 |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 16.04 |
…and 1 more
GitHub Security Advisory GHSA-q2cr-9xxc-h8jx
An integer overflow vulnerability in the Skia library when allocating memory for edge builders on...
References (26)
- http://www.securityfocus.com/bid/102783 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040270 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0122 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0262 Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1418447 Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00030.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00036.html Third Party Advisory
- https://usn.ubuntu.com/3544-1/ Third Party Advisory
- https://www.debian.org/security/2018/dsa-4096 Third Party Advisory
- https://www.debian.org/security/2018/dsa-4102 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-02/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-03/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-04/ Vendor Advisory
- http://www.securityfocus.com/bid/102783 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040270 Third Party Advisory, VDB Entry
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
4.21%
Top 10% most likely to be exploited
Threat Score
40.5 / 100
Data Sources
NVD
EPSS
GitHub