{"schemaVersion":3,"id":"SUSE-SU-2025:4533-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for libpng16\n\nThis update for libpng16 fixes the following issues:\n\n- CVE-2025-64720: Fixed buffer overflow in `png_image_read_composite` via\n  incorrect palette premultiplication (bsc#1254159)\n- CVE-2025-64505: Fixed heap buffer over-read in `png_do_quantize` via\n  malformed palette index (bsc#1254157)\n- CVE-2025-64506: Fixed heap buffer over-read in `png_write_image_8bit`\n  with 8-bit input and `convert_to_8bit` enabled (bsc#1254158)\n- CVE-2025-65018: Fixed heap buffer overflow in `png_combine_row`\n  triggered via `png_image_finish_read` (bsc#1254160)","dates":{"published":"2025-12-29T16:11:25.000Z","modified":"2026-02-04T03:24:09.103Z","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":"suse","product":"libpng16&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5","name":"libpng16","label":"libpng16&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/libpng16&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5","purlType":"rpm","versions":[{"text":"< 1.6.8-15.9.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.8-15.9.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20254533-1/","label":"www.suse.com/support/update/announcement/2025/suse-su-20254533-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1254157","label":"bugzilla.suse.com/1254157","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1254158","label":"bugzilla.suse.com/1254158","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1254159","label":"bugzilla.suse.com/1254159","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1254160","label":"bugzilla.suse.com/1254160","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64505","label":"www.suse.com/security/cve/CVE-2025-64505","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64506","label":"www.suse.com/security/cve/CVE-2025-64506","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64720","label":"www.suse.com/security/cve/CVE-2025-64720","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-65018","label":"www.suse.com/security/cve/CVE-2025-65018","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2025-64505","CVE-2025-64506","CVE-2025-64720","CVE-2025-65018"],"downstream":[],"duplicates":[],"related":["CVE-2025-64505","CVE-2025-64506","CVE-2025-64720","CVE-2025-65018"]},"timeline":[{"kind":"published","date":"2025-12-29T16:11:25.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T03:24:09.103Z","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":"2026-10-22T11:20:48.723Z","stale":false,"partial":false}}