{"schemaVersion":3,"id":"CVE-2020-24890","aliases":["DEBIAN-CVE-2020-24890"],"status":"published","duplicateOf":null,"title":null,"description":"libraw 20.0 has a null pointer dereference vulnerability in parse_tiff_ifd in src/metadata/tiff.cpp, which may result in context-dependent arbitrary code execution. Note: this vulnerability occurs only if you compile the software in a certain way","dates":{"published":"2020-09-16T14:39:49.000Z","modified":"2024-08-04T15:19:09.411Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":2.6,"severity":"low","vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01561,"percentile":0.75024,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0.010000000000000113,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.01551},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01561,"percentile":0.75024}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01551,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01561,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01561,"percentile":0.75024}]},"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":[{"id":"GITHUB_LIBRAW_LIBRAW","name":"Libraw","source":"github","url":"https://github.com/LibRaw/LibRaw/commit/11909cc59e712e09b508dda729b99aeaac2b29ad","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-476","name":"NULL Pointer Dereference","description":"The product dereferences a pointer that it expects to be valid but is NULL.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/476.html"}],"affected":[{"vendor":"debian","product":"libraw","name":"libraw","label":"libraw","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/libraw","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"libraw","product":"libraw","name":"LibRaw","label":"libraw","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"0.20.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"0.20.0","eol":null,"hubHref":"/vendor/libraw/libraw"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/LibRaw/LibRaw/issues/335","label":"github.com/LibRaw/LibRaw/issues/335","hostname":"github.com","tags":["X Refsource MISC","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWHUZCRMGOC3QS6C65KWBM6ZJM25V6HI/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://security.gentoo.org/glsa/202010-05","label":"security.gentoo.org/glsa/202010-05","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-24890","label":"security-tracker.debian.org/tracker/CVE-2020-24890","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-09-16T14:39:49.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T15:19:09.411Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T09:36:19.880Z","stale":false,"partial":false}}