{"id":"CVE-2018-11576","aliases":["EUVD-2018-3602","GHSA-39cx-43vf-mhh2"],"status":"published","title":"ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.","description":"ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01422,"percentile":0.73031,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2018-05-31T00:00:00Z","modified":"2026-10-20T10:49:59Z","products":[{"vendor":"miniupnp_project","product":"ngiflib"}],"references":[{"url":"https://github.com/miniupnp/ngiflib/issues/6","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/Edward-L/fuzzing-pocs/tree/master/ngiflib","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11576"},{"url":"https://github.com/advisories/GHSA-39cx-43vf-mhh2"}],"sources":{"cve":[{"id":"CVE-2018-11576","description":"ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.","status":"published","published":"2018-05-31T00:00:00Z","modified":"2024-08-05T08:10:14.599Z","updated_at":"2026-11-02T14:35:09.570381Z"}],"euvd":[{"id":"EUVD-2018-3602","description":"ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.","status":"published","published":"2018-05-31T00:00:00Z","modified":"2024-08-05T08:10:14Z","updated_at":"2026-11-03T02:39:54.984528Z"}],"ghsa":[{"id":"GHSA-39cx-43vf-mhh2","title":"ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.","description":"ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.","status":"published","published":"2022-05-14T03:15:49Z","modified":"2023-02-02T05:07:30Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:52:31.225831Z"}],"nvd":[{"id":"CVE-2018-11576","description":"ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.","status":"published","published":"2018-05-31T00:29:00.41Z","modified":"2026-06-17T01:36:12.093Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:28.483469Z"}],"osv":[{"id":"CVE-2018-11576","description":"ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.","status":"published","published":"2018-05-31T00:29:00.41Z","modified":"2026-10-20T10:49:59.574461937Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:07.934182Z"}]}}