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Fixed

LIN10-2207 : Security Advisory - libxfont - CVE-2017-13720

Created: Oct 16, 2017    Updated: Dec 3, 2018
Resolved Date: Mar 1, 2018
Found In Version: 10.17.41.1
Fix Version: 10.17.41.5
Severity: Standard
Applicable for: Wind River Linux LTS 17
Component/s: Userspace

Description

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 or a crash (denial of service). This occurs because '\0' characters are incorrectly skipped in situations involving ? characters.

https://nvd.nist.gov/vuln/detail/CVE-2017-13720

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