CVE-2018-5104
UnknownEPSS 7.26%
Last modified
CVE-2018-5104 is a vulnerability of currently unknown severity. A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.. EPSS estimates a 7.26% chance of exploitation in the next 30 days.
Description
A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| 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 | 7.4 |
| 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 |
| Canonical | Ubuntu Linux | 17.10 |
References
- http://www.securityfocus.com/bid/102783Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040270Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0122Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0262Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1425000Issue Tracking, Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00030.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00036.htmlThird Party Advisory
- https://usn.ubuntu.com/3544-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4096Third Party Advisory
- https://www.debian.org/security/2018/dsa-4102Third 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/102783Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040270Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0122Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0262Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1425000Issue Tracking, Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00030.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00036.htmlThird Party Advisory
- https://usn.ubuntu.com/3544-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4096Third Party Advisory
- https://www.debian.org/security/2018/dsa-4102Third 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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-5104?
A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
How severe is CVE-2018-5104?
Severity scoring for CVE-2018-5104 is pending analysis. The EPSS model estimates a 7.26% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5104?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-5104?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST