Vulnerability Description
Mozilla developers and community members reported memory safety bugs present in Firefox 64 and Firefox ESR 60.4. 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 < 60.5, Firefox ESR < 60.5, and Firefox < 65.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 65.0 |
| Mozilla | Firefox Esr | < 60.5 |
| Mozilla | Thunderbird | < 60.5 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.6 |
| Redhat | Enterprise Linux Workstation | 6.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html
- http://www.securityfocus.com/bid/106781Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0218Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0219Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0269Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0270Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00025.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00024.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201903-04Third Party Advisory
- https://security.gentoo.org/glsa/201904-07
- https://usn.ubuntu.com/3874-1/Third Party Advisory
- https://usn.ubuntu.com/3897-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4376Third Party Advisory
- https://www.debian.org/security/2019/dsa-4392Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-01/Vendor Advisory
FAQ
What is CVE-2018-18501?
CVE-2018-18501 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Mozilla developers and community members reported memory safety bugs present in Firefox 64 and Firefox ESR 60.4. Some of these bugs showed evidence of memory corruption and we presume that with enough...
How severe is CVE-2018-18501?
CVE-2018-18501 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-18501?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Canonical Ubuntu Linux, Debian Debian Linux.