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01 Record

CVE-2017-12180

xorg-x11-server before 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector

02 Description

xorg-x11-server before 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

03 Exploitation and scoring

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
4.49% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 91.2% of scored records. A rank, not a probability.
NVD base score
9.8 (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:H/I:H/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.

04 Metadata

Published
2018-01-24 15:00Z8 YR AGO
Last updated
2024-09-16 20:21Z2 YR AGO
Reserved
2017-08-01
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-391Unchecked Error ConditionBase
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
8ff8568b92ea5678ab7621a94a783354fd55a92f746ca3e0fe80443aa9769e55

05 Affected products

VendorProductVersionsPlatforms
The X.Org Foundationxorg-x11-serverbefore 1.19.5—

06 References

07 Fixed in

Debian 12

  • xorg-server
    Fixed in 2:1.19.5-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • xorg-server
    Fixed in 2:1.19.5-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • xorg-server
    Fixed in 2:1.19.5-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • xorg-server
    Fixed in 2:1.15.1-0ubuntu2.11
  • xorg-server-lts-xenial
    Fixed in 2:1.18.3-1ubuntu2.3~trusty4

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • xorg-server
    Fixed in 2:1.18.4-0ubuntu0.7
  • xorg-server-hwe-16.04
    Fixed in 2:1.19.3-1ubuntu1~16.04.4

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.