{"id":"CVE-2020-23909","aliases":["AZL-43516","AZL-44874","EUVD-2020-16646","GHSA-29cr-f47w-93jr","UBUNTU-CVE-2020-23909"],"status":"published","title":"Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.","description":"Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.003,"percentile":0.22875,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2023-07-18T00:00:00Z","modified":"2026-11-05T05:36:30Z","affected":[{"source":"osv","ecosystem":"Azure Linux:2","package":"advancecomp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.5-1"}]}]},{"source":"osv","ecosystem":"Azure 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2.1.","status":"published","published":"2023-07-18T14:15:11.423Z","modified":"2026-06-17T03:05:04.77Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:47.910346Z"}],"osv":[{"id":"AZL-43516","title":"CVE-2020-23909 affecting package advancecomp 2.5-1","description":"Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.","status":"published","published":"2023-07-18T14:15:11Z","modified":"2026-04-21T04:31:02.129802Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:05.284713Z"},{"id":"AZL-44874","title":"CVE-2020-23909 affecting package advancecomp 2.6-1","description":"Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.","status":"published","published":"2023-07-18T14:15:11Z","modified":"2026-11-05T05:36:30Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-05T16:41:20.321068Z"},{"id":"UBUNTU-CVE-2020-23909","description":"Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.","status":"published","published":"2023-07-18T14:15:00Z","modified":"2026-10-17T12:56:54.312069415Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.905183Z"}]}}