{"id":"MGASA-2017-0373","summary":"Updated libxfont packages fix security vulnerabilities","details":"In the PatternMatch function in fontfile/fontdir.c in libXfont through\n1.5.2 and 2.x before 2.0.2, an attacker with access to an X connection\ncan cause a buffer over-read during pattern matching of fonts, leading\nto information disclosure or a crash (denial of service). This occurs\nbecause '\\0' characters are incorrectly skipped in situations involving\n? characters. (CVE-2017-13720)\n\nIn the pcfGetProperties function in bitmap/pcfread.c in libXfont through\n1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files)\ncould be used by local attackers authenticated to an Xserver for a\nbuffer over-read, for information disclosure or a crash of the X server.\n(CVE-2017-13722)\n","modified":"2026-02-04T02:37:00.815246Z","published":"2017-10-18T20:19:34Z","related":["CVE-2017-13720","CVE-2017-13722"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2017-0373.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=21834"},{"type":"REPORT","url":"https://www.debian.org/security/2017/dsa-3995"},{"type":"REPORT","url":"https://usn.ubuntu.com/usn/usn-3442-1/"}],"affected":[{"package":{"name":"libxfont","ecosystem":"Mageia:5","purl":"pkg:rpm/mageia/libxfont?arch=source&distro=mageia-5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.1-1.1.mga5"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2017-0373.json"}},{"package":{"name":"libxfont","ecosystem":"Mageia:6","purl":"pkg:rpm/mageia/libxfont?arch=source&distro=mageia-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.2-1.1.mga6"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2017-0373.json"}},{"package":{"name":"libxfont2","ecosystem":"Mageia:6","purl":"pkg:rpm/mageia/libxfont2?arch=source&distro=mageia-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-4.1.mga6"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2017-0373.json"}}],"schema_version":"1.7.3","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}