CVE-2017-16611
In libXfont before 1.5.4 and libXfont2 before 2.0.3, a local attacker can open (but not read) files on the system as root, triggering tape rewinds, watchdogs, or similar mechanisms that can be
02 Description
In libXfont before 1.5.4 and libXfont2 before 2.0.3, a local attacker can open (but not read) files on the system as root, triggering tape rewinds, watchdogs, or similar mechanisms that can be
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
- 0.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.0% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/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
- 2017-12-01 17:00Z8 YR AGO
- Last updated
- 2024-08-05 20:27Z2 YR AGO
- Reserved
- 2017-11-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-59Improper Link Resolution Before File Access ('Link Following')Base
- Data version
- 5.1
- Document digest
- b7e71f0682aa017914a87b60b4dfda3ec46930ce06142f57df7ec66ba3715cc3
05 Affected products
06 References
- www.openwall.com[oss-security] 20171128 CVE-2017-16611 libXfont Open files with O_NOFOLLOWhttp://www.openwall.com/lists/oss-security/2017/11/28/7
- bugzilla.suse.comhttps://bugzilla.suse.com/show_bug.cgi?id=1050459
- www.ubuntu.comUSN-3500-1http://www.ubuntu.com/usn/USN-3500-1
- marc.info[freedesktop-xorg-announce] 20171128 libXfont2 2.0.3https://marc.info/?l=freedesktop-xorg-announce&m=151188044218304&w=2
- security.gentoo.orgGLSA-201801-10https://security.gentoo.org/glsa/201801-10
- marc.info[freedesktop-xorg-announce] 20171128 libXfont 1.5.4https://marc.info/?l=freedesktop-xorg-announce&m=151188049718337&w=2
- security.cucumberlinux.comhttp://security.cucumberlinux.com/security/details.php?id=155
- lists.debian.org[debian-lts-announce] 20220125 [SECURITY] [DLA 2901-1] libxfont security updatehttps://lists.debian.org/debian-lts-announce/2022/01/msg00028.html
07 Fixed in
Debian 12
- libxfont Fixed in 1:2.0.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libxfont Fixed in 1:2.0.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libxfont Fixed in 1:2.0.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- libxfont Fixed in 1:1.4.7-1ubuntu0.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- libxfont Fixed in 1:1.5.1-1ubuntu0.16.04.4
- libxfont2 Fixed in 1:2.0.1-3~ubuntu16.04.3
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.