CVE-2018-14598

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.3% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-08-24 19:00Z8 YR AGO

Last updated

2024-08-05 09:29Z2 YR AGO

Reserved

2018-07-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

cfd095e8725f3a858d8cb9a6b590453a05990ed2e44eabff217582686992d994

• usn.ubuntu.comUSN-3758-2https://usn.ubuntu.com/3758-2/vendor-advisoryx_refsource_UBUNTU
• bugzilla.suse.comhttps://bugzilla.suse.com/show_bug.cgi?id=1102073x_refsource_CONFIRM
• security.gentoo.orgGLSA-201811-01https://security.gentoo.org/glsa/201811-01vendor-advisoryx_refsource_GENTOO
• www.securityfocus.com105177http://www.securityfocus.com/bid/105177vdb-entryx_refsource_BID
• cgit.freedesktop.orghttps://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=e83722768fd5c467ef61fa159e8c6278770b45c2x_refsource_CONFIRM
• www.openwall.com[oss-security] 20180821 X.Org security advisory: August 21, 2018http://www.openwall.com/lists/oss-security/2018/08/21/6mailing-listx_refsource_MLIST
• www.securitytracker.com1041543http://www.securitytracker.com/id/1041543vdb-entryx_refsource_SECTRACK
• lists.debian.org[debian-lts-announce] 20180829 [SECURITY] [DLA 1482-1] libx11 security updatehttps://lists.debian.org/debian-lts-announce/2018/08/msg00030.htmlmailing-listx_refsource_MLIST
• lists.x.org[xorg-announce] 20180821 libX11 1.6.6https://lists.x.org/archives/xorg-announce/2018-August/002916.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-3758-1https://usn.ubuntu.com/3758-1/vendor-advisoryx_refsource_UBUNTU
• lists.fedoraproject.orgFEDORA-2019-6a756fe3a5https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/vendor-advisoryx_refsource_FEDORA
• access.redhat.comRHSA-2019:2079https://access.redhat.com/errata/RHSA-2019:2079vendor-advisoryx_refsource_REDHAT