Vulnerability in X Libxfont
CVE-2015-1803
The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a crafted BDF font file.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 8.5 (High). Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
- X Libxfont — versions 1.5.0
- Canonical Ubuntu Linux — versions 10.04, 12.04, 14.04
- Debian Linux — versions 7.0
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- security.gentoo.org/glsa/201507-21 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2015-04/msg00002.html (vendor-advisory)
- www.ubuntu.com/usn/USN-2536-1 (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-March/152838.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2015-1708.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2015-03/msg00032.html (vendor-advisory)
- www.securitytracker.com/id/1031935 (vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2015-March/152497.html (vendor-advisory)
- www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
Frequently asked questions
- What is CVE-2015-1803?
- CVE-2015-1803 is a vulnerability in X Libxfont. Published 2015-03-20.
- Is CVE-2015-1803 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.