CVE-2016-7950
The XRenderQueryFilters function in X.org libXrender before 0.9.10 allows remote X servers to trigger out-of-bounds write operations via vectors involving filter name lengths.
02 Description
The XRenderQueryFilters function in X.org libXrender before 0.9.10 allows remote X servers to trigger out-of-bounds write operations via vectors involving filter name lengths.
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
- 2.71% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.8% 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
- 2016-12-13 20:00Z9 YR AGO
- Last updated
- 2024-08-06 02:13Z2 YR AGO
- Reserved
- 2016-09-09
- Assigning CNA
- microfocus
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- b55c2c849dabca4d16046eb40df849ede7f52797bb49bc363901ac399b8cb6fb
05 Affected products
06 References
- www.securitytracker.com1036945http://www.securitytracker.com/id/1036945
- security.gentoo.orgGLSA-201704-03https://security.gentoo.org/glsa/201704-03
- lists.x.org[xorg-announce] 20161004 X.Org security advisory: Protocol handling issues in X Window System client librarieshttps://lists.x.org/archives/xorg-announce/2016-October/002720.html
- cgit.freedesktop.orghttps://cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=8fad00b0b647ee662ce4737ca15be033b7a21714
- lists.fedoraproject.orgFEDORA-2016-8877cf648bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHUT5YOSWVMBJNWZGUQNZRBFIZKRM4A6/
- www.openwall.com[oss-security] 20161004 Re: X.Org security advisory: Protocol handling issues in X Window System client librarieshttp://www.openwall.com/lists/oss-security/2016/10/04/4
- lists.fedoraproject.orgFEDORA-2016-ade20198ffhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WCKZFMZ76APAVMIRCUKKHEB4GAS7ZUP/
- www.securityfocus.com93369http://www.securityfocus.com/bid/93369
- www.openwall.com[oss-security] 20161004 X.Org security advisory: Protocol handling issues in X Window System client librarieshttp://www.openwall.com/lists/oss-security/2016/10/04/2
07 Fixed in
Debian 12
- libxrender Fixed in 1:0.9.10-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libxrender Fixed in 1:0.9.10-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libxrender Fixed in 1:0.9.10-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- libxrender No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- libxrender Fixed in 1:0.9.9-0ubuntu1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
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.