Vulnerability Description
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| X.Org | Libx11 | <= 1.6.5 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 28 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2018/08/21/6Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/105177Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041543Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2079Third Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1102062Issue TrackingPatchThird Party Advisory
- https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=b469da1430cdcee06e31c625PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00030.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.x.org/archives/xorg-announce/2018-August/002916.htmlThird Party Advisory
- https://security.gentoo.org/glsa/201811-01Third Party Advisory
- https://usn.ubuntu.com/3758-1/Third Party Advisory
- https://usn.ubuntu.com/3758-2/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/08/21/6Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/105177Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041543Third Party AdvisoryVDB Entry
FAQ
What is CVE-2018-14599?
CVE-2018-14599 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspeci...
How severe is CVE-2018-14599?
CVE-2018-14599 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-2018-14599?
Check the references section above for vendor advisories and patch information. Affected products include: X.Org Libx11, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Redhat Enterprise Linux Desktop.