Out-of-bounds Read in X.org Libxfont

CVE-2017-13720

In the PatternMatch function in fontfile/fontdir.c in libXfont through 1.5.2 and 2.x before 2.0.2, an attacker with access to an X connection can cause a buffer over-read during pattern matching of fonts, leading to information disclosure…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-13720?
CVE-2017-13720 is a high-severity vulnerability in X.org Libxfont, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2017-10-11.
How severe is CVE-2017-13720?
High severity. CVSS v3 base score is 7.1 out of 10.