{"id":"CVE-2021-36531","aliases":["EUVD-2021-23133","GHSA-qpjc-r4c8-485x"],"status":"published","title":"ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte()...","description":"ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte() reads memory buffer without checking the boundary.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01064,"percentile":0.65128,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-08-27T15:24:14Z","modified":"2026-10-20T10:54:47Z","products":[{"vendor":"miniupnp_project","product":"ngiflib"}],"references":[{"url":"https://github.com/miniupnp/ngiflib/issues/18","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36531"},{"url":"https://github.com/advisories/GHSA-qpjc-r4c8-485x"}],"sources":{"cve":[{"id":"CVE-2021-36531","description":"ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte() reads memory buffer without checking the boundary.","status":"published","published":"2021-08-27T15:24:14Z","modified":"2024-08-04T00:54:51.591Z","updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-23133","description":"ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte() reads memory buffer without checking the boundary.","status":"published","published":"2021-08-27T15:24:14Z","modified":"2024-08-04T00:54:51Z","updated_at":"2026-11-03T03:24:29.329171Z"}],"ghsa":[{"id":"GHSA-qpjc-r4c8-485x","title":"ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte()...","description":"ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte() reads memory buffer without checking the boundary.","status":"published","published":"2022-05-24T19:12:23Z","modified":"2023-01-30T05:01:50Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:29.807452Z"}],"nvd":[{"id":"CVE-2021-36531","description":"ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte() reads memory buffer without checking the boundary.","status":"published","published":"2021-08-27T16:15:07.34Z","modified":"2026-06-17T03:58:53.897Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:57.67549Z"}],"osv":[{"id":"CVE-2021-36531","description":"ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte() reads memory buffer without checking the boundary.","status":"published","published":"2021-08-27T16:15:07.34Z","modified":"2026-10-20T10:54:47.912157355Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.434873Z"}]}}