CVE-2016-7946
X.org libXi before 1.7.7 allows remote X servers to cause a denial of service (infinite loop) via vectors involving length fields.
02 Description
X.org libXi before 1.7.7 allows remote X servers to cause a denial of service (infinite loop) via vectors involving length fields.
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
- 3.00% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 87.3% 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
- 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
- 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-284Improper Access ControlPillar
- Data version
- 5.1
- Document digest
- 8b7d159b75c97e42026a6489f04600e4c8b4cd0872e8695bdb28345a5c5abc9f
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2016-8b122b0997https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C3NTWIWSQ575GREBVAOUQUIMDL5CDVGP/
- www.securitytracker.com1036945http://www.securitytracker.com/id/1036945
- security.gentoo.orgGLSA-201704-03https://security.gentoo.org/glsa/201704-03
- cgit.freedesktop.orghttps://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5
- 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
- lists.fedoraproject.orgFEDORA-2016-cabb6d7ef7https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVTZ2XLPKLASQUIQA2GMKKAUOQIUMM7I/
- 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
- www.securityfocus.com93374http://www.securityfocus.com/bid/93374
- 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/2016/10/04/2
07 Fixed in
Debian 12
- libxi Fixed in 2:1.7.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libxi Fixed in 2:1.7.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libxi Fixed in 2:1.7.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- libxi Fixed in 2:1.7.6-1ubuntu0.1~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.