CVE-2017-13720 describes a buffer over-read vulnerability in the PatternMatch function of libXfont (versions through 1.5.2 and 2.x before 2.0.2), affecting X.Org’s font handling. An attacker with X connection access can trigger this flaw by manipulating font pattern matching, specifically due to incorrect handling of null characters. Rated 7.1 HIGH (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H), this vulnerability allows for information disclosure or denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.5.2CPE matchmatch criteria | cpe:2.3:a:x.org:libxfont:*:*:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:x.org:libxfont:2.0.0:*:*:*:*:*:*:* | ||
2.0.1CPE matchmatch criteria | cpe:2.3:a:x.org:libxfont:2.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.