7.1

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.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.0 (NVD)
EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 4

Timeline

  1. 11-10-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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 versions

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 score
0.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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

3 vendors · 4 products

References

10 links