{"schemaVersion":3,"id":"MGASA-2018-0493","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated libtiff packages fix security vulnerabilities\n\nHeap-based buffer overflow in the cpSeparateBufToContigBuf function in\ntiffcp.c in LibTIFF 4.0.9 allows remote attackers to cause a denial of\nservice (crash) or possibly have unspecified other impact via a crafted\nTIFF file. (CVE-2018-12900)\n\nLibTIFF 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a\nbuffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode\nout-of-bounds write. (CVE-2018-18557)\n\nIn LibTIFF 4.0.9, there is a NULL pointer dereference in the\nTIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a\ndenial of service attack, as demonstrated by tiffset. (CVE-2018-19210)","dates":{"published":"2018-12-29T23:24:32.000Z","modified":"2026-04-16T06:26:26.972Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"mageia","product":"libtiff","name":"libtiff","label":"libtiff","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/libtiff","purlType":"rpm","versions":[{"text":"< 4.0.9-1.9.mga6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.0.9-1.9.mga6","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2018-0493.html","label":"advisories.mageia.org/MGASA-2018-0493.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=24053","label":"bugs.mageia.org/show_bug.cgi?id=24053","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.debian.org/security/2018/dsa-4349","label":"www.debian.org/security/2018/dsa-4349","hostname":"www.debian.org","tags":["WEB"]},{"url":"https://lists.opensuse.org/opensuse-updates/2018-11/msg00138.html","label":"lists.opensuse.org/opensuse-updates/2018-11/msg00138.html","hostname":"lists.opensuse.org","tags":["WEB"]},{"url":"https://lists.opensuse.org/opensuse-updates/2018-12/msg00038.html","label":"lists.opensuse.org/opensuse-updates/2018-12/msg00038.html","hostname":"lists.opensuse.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2018-12900","CVE-2018-18557","CVE-2018-19210"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-12-29T23:24:32.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T06:26:26.972Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T06:30:02.908Z","stale":false,"partial":false}}