CVE-2017-13723
In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other
02 Description
In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other
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
- 0.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 38.2% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:L/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
- Low. 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
- 2017-10-09 14:00Z9 YR AGO
- Last updated
- 2024-08-05 19:05Z2 YR AGO
- Reserved
- 2017-08-28
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- deea3b3e2e668624ebb8430ad61633bf0aec9222ba57f063272710ed52fd0524
05 Affected products
06 References
- www.securityfocus.com101253http://www.securityfocus.com/bid/101253
- cgit.freedesktop.orghttps://cgit.freedesktop.org/xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeaef6f424d76ac
- lists.debian.org[debian-lts-announce] 20171122 [SECURITY] [DLA 1186-1] xorg-server security updatehttps://lists.debian.org/debian-lts-announce/2017/11/msg00032.html
- security.gentoo.orgGLSA-201710-30https://security.gentoo.org/glsa/201710-30
- www.openwall.com[oss-security] 20171004 Fwd: X server fixes for CVE-2017-13721 & CVE-2017-13723http://www.openwall.com/lists/oss-security/2017/10/04/10
- www.debian.orgDSA-4000http://www.debian.org/security/2017/dsa-4000
- lists.x.org[xorg-announce] 20171004 [ANNOUNCE] xorg-server 1.19.4https://lists.x.org/archives/xorg-announce/2017-October/002808.html
07 Fixed in
Arch Linux
- xorg-server Fixed in 1.19.4-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- xorg-server Fixed in 2:1.19.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xorg-server Fixed in 2:1.19.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xorg-server Fixed in 2:1.19.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- xorg-server Fixed in 2:1.15.1-0ubuntu2.10
- xorg-server-lts-xenial Fixed in 2:1.18.3-1ubuntu2.3~trusty3
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 2:1.18.4-0ubuntu0.6
- xorg-server-hwe-16.04 Fixed in 2:1.19.3-1ubuntu1~16.04.3
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.