CVE-2018-5125
UnknownEPSS 2.48%
Last modified
CVE-2018-5125 is a vulnerability of currently unknown severity. Memory safety bugs were reported in Firefox 58 and Firefox ESR 52.6. 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. EPSS estimates a 2.48% chance of exploitation in the next 30 days.
Description
Memory safety bugs were reported in Firefox 58 and Firefox ESR 52.6. 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 < 52.7, Firefox ESR < 52.7, and Firefox < 59.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.10 |
| Canonical | Ubuntu Linux | 18.04 |
| 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 Workstation | 6.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Mozilla | Firefox | < 52.7.0 |
| Mozilla | Firefox | < 59.0 |
| Mozilla | Thunderbird | < 52.7.0 |
References
- http://www.securityfocus.com/bid/103388Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040514Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0526Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0527Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0647Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0648Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00010.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00029.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://security.gentoo.org/glsa/201811-13Third Party Advisory
- https://usn.ubuntu.com/3545-1/Third Party Advisory
- https://usn.ubuntu.com/3596-1/Third Party Advisory
- https://usn.ubuntu.com/3688-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4139Third Party Advisory
- https://www.debian.org/security/2018/dsa-4155Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-06/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-07/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-09/Vendor Advisory
- http://www.securityfocus.com/bid/103388Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040514Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0526Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0527Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0647Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0648Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00010.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00029.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://security.gentoo.org/glsa/201811-13Third Party Advisory
- https://usn.ubuntu.com/3545-1/Third Party Advisory
- https://usn.ubuntu.com/3596-1/Third Party Advisory
- https://usn.ubuntu.com/3688-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4139Third Party Advisory
- https://www.debian.org/security/2018/dsa-4155Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-06/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-07/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-09/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-5125?
Memory safety bugs were reported in Firefox 58 and Firefox ESR 52.6. 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 < 52.7, Firefox ESR < 52.7, and Firefox < 59.
How severe is CVE-2018-5125?
Severity scoring for CVE-2018-5125 is pending analysis. The EPSS model estimates a 2.48% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5125?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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