Home/CVE/An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in
CVE

CVE-2018-14598

An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in

An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).

HIGH · CVSS 7.5 EPSS 0.03035
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

4
x.org libx11<= 1.6.5
canonical ubuntu linuxall versions
debian linuxall versions
fedoraproject fedoraall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Aug 2018 · 07:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:10918-1
suse-csafSUSE-SU-2018:3102-1
suse-csafSUSE-SU-2018:2955-1
suse-csafSUSE-SU-2018:2934-1
usnUSN-3758-2
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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://bugzilla.suse.com/show_bug.cgi?id=1102073Issue TrackingPatchThird Party Advisory
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=e83722768fd5c467ef61fa159e8c6278770b45c2PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00030.htmlThird Party Advisory
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