{"schemaVersion":3,"id":"CVE-2015-0973","aliases":["DEBIAN-CVE-2015-0973"],"status":"published","duplicateOf":null,"title":null,"description":"Buffer overflow in the png_read_IDAT_data function in pngrutil.c in libpng before 1.5.21 and 1.6.x before 1.6.16 allows context-dependent attackers to execute arbitrary code via IDAT data with a large width, a different vulnerability than CVE-2014-9495.","dates":{"published":"2015-01-18T18:00:00.000Z","modified":"2025-06-09T15:25:54.990Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":7.2,"impact":9.8,"computed":true}]},"epss":{"probability":0.0414,"percentile":0.90728,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":-0.1680000000000001,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.04308},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0414,"percentile":0.90728}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04308,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0414,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0414,"percentile":0.90728}]},"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":"REF_7451961F6B604232","name":"Exploit Reference (openwall.com)","source":"reference","url":"http://www.openwall.com/lists/oss-security/2015/01/10/1","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_95E4D3FB28010691","name":"Exploit Reference (openwall.com)","source":"reference","url":"http://www.openwall.com/lists/oss-security/2015/01/10/3","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_93EEDB4C617743F5","name":"Exploit Reference (tfpwn.com)","source":"reference","url":"http://tfpwn.com/files/libpng_heap_overflow_1.6.15.txt","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":3,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"},{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","description":"The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/120.html"}],"affected":[{"vendor":"apple","product":"mac_os_x","name":"mac os x","label":"mac_os_x","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 10.11.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 10.11.3","eol":null,"hubHref":"/vendor/apple/mac_os_x"},{"vendor":"debian","product":"libpng1.6","name":"libpng1.6","label":"libpng1.6","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/libpng1.6","purlType":"deb","versions":[{"text":"< 1.6.16-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.16-1","eol":null,"hubHref":null},{"vendor":"debian","product":"texlive-bin","name":"texlive-bin","label":"texlive-bin","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/texlive-bin","purlType":"deb","versions":[{"text":"< 2014.20140926.35254-6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2014.20140926.35254-6","eol":null,"hubHref":null},{"vendor":"libpng","product":"libpng","name":"libpng","label":"libpng","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.5.20","noFixRecorded":false,"fixedIn":null},{"text":"1.6.0","noFixRecorded":false,"fixedIn":null},{"text":"1.6.0:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.1","noFixRecorded":false,"fixedIn":null},{"text":"1.6.1:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.2","noFixRecorded":false,"fixedIn":null},{"text":"1.6.2:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.3","noFixRecorded":false,"fixedIn":null},{"text":"1.6.3:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.4","noFixRecorded":false,"fixedIn":null},{"text":"1.6.4:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.5","noFixRecorded":false,"fixedIn":null},{"text":"1.6.6","noFixRecorded":false,"fixedIn":null},{"text":"1.6.7","noFixRecorded":false,"fixedIn":null},{"text":"1.6.7:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.8","noFixRecorded":false,"fixedIn":null},{"text":"1.6.8:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.9","noFixRecorded":false,"fixedIn":null},{"text":"1.6.9:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.10","noFixRecorded":false,"fixedIn":null},{"text":"1.6.10:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.11","noFixRecorded":false,"fixedIn":null},{"text":"1.6.11:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.12:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.13","noFixRecorded":false,"fixedIn":null},{"text":"1.6.13:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.14","noFixRecorded":false,"fixedIn":null},{"text":"1.6.14:beta","noFixRecorded":false,"fixedIn":null},{"text":"1.6.15","noFixRecorded":false,"fixedIn":null},{"text":"1.6.15:beta","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.5.20 | 1.6.0 | 1.6.0:beta | 1.6.1 | 1.6.1:beta | 1.6.2 | 1.6.2:beta | 1.6.3 | 1.6.3:beta | 1.6.4 | 1.6.4:beta | 1.6.5 | 1.6.6 | 1.6.7 | 1.6.7:beta | 1.6.8 | 1.6.8:beta | 1.6.9 | 1.6.9:beta | 1.6.10 | 1.6.10:beta | 1.6.11 | 1.6.11:beta | 1.6.12:beta | 1.6.13 | 1.6.13:beta | 1.6.14 | 1.6.14:beta | 1.6.15 | 1.6.15:beta","eol":null,"hubHref":"/vendor/libpng/libpng"},{"vendor":"oracle","product":"solaris","name":"Solaris","label":"solaris","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"11.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"11.2","eol":{"isEol":true,"eolDate":null,"matchMethod":"cpe","cycle":{"name":"11.2","label":"11.2","eolFrom":null,"isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"oracle-solaris","label":"Oracle Solaris","category":"os"}},"hubHref":"/vendor/oracle/solaris"}],"affectedCount":5,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html","label":"lists.apple.com/archives/security-announce/2016/Mar/msg00004.html","hostname":"lists.apple.com","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/HT206167","label":"support.apple.com/HT206167","hostname":"support.apple.com","tags":["Vendor Advisory"]},{"url":"http://sourceforge.net/p/png-mng/mailman/message/33173461/","label":"sourceforge.net/p/png-mng/mailman/message/33173461/","hostname":"sourceforge.net","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2015/01/10/1","label":"www.openwall.com/lists/oss-security/2015/01/10/1","hostname":"www.openwall.com","tags":["Mailing List","Exploit","Third Party Advisory"]},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html","label":"www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html","hostname":"www.oracle.com","tags":["Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2015/01/10/3","label":"www.openwall.com/lists/oss-security/2015/01/10/3","hostname":"www.openwall.com","tags":["Mailing List","Exploit"]},{"url":"http://secunia.com/advisories/62725","label":"secunia.com/advisories/62725","hostname":"secunia.com","tags":["Third Party Advisory","Permissions Required"]},{"url":"http://tfpwn.com/files/libpng_heap_overflow_1.6.15.txt","label":"tfpwn.com/files/libpng_heap_overflow_1.6.15.txt","hostname":"tfpwn.com","tags":["Exploit"]},{"url":"https://security.netapp.com/advisory/ntap-20240719-0005/","label":"security.netapp.com/advisory/ntap-20240719-0005/","hostname":"security.netapp.com","tags":[]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-0973","label":"security-tracker.debian.org/tracker/CVE-2015-0973","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2015-01-18T18:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-06-09T15:25:54.990Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":46,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T12:21:08.717Z","stale":false,"partial":false}}