CVE-2017-13722: x.org libxfont Out-of-bounds Read
CVSS: 7.1v3.0HighModified
AliasesUBUNTU-CVE-2017-13722DEBIAN-CVE-2017-13722
Published 11-10-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-13722 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in x.org libxfont. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.2% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.0 (NVD)EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 11-10-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files) could be used by local attackers authenticated to an Xserver for a buffer over-read, for information disclosure or a crash of the X server.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Low 3.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
0.00 pp
From 0.40% on 19-09-2026
19-09-202619-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- libxfont< 1:1.4.7-1ubuntu0.3 | < 1:1.5.1-1ubuntu0.16.04.3
- libxfont2< 1:2.0.1-3~ubuntu16.04.2
Debian1 product
- libxfont< 1:2.0.1-4
X.org1 product
- libxfont≤ 1.5.2 | 2.0.0 | 2.0.1
3 vendors · 4 products
References
10 links- cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcdX Refsource CONFIRMPatchThird Party Advisory