The gfisomcencgetdefaultinfointernal function in GPAC 1.0.1 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted file in the MP4Box command.
{ "vanir_signatures": [ { "id": "CVE-2021-31259-118d900e", "source": "https://github.com/gpac/gpac/commit/3b84ffcbacf144ce35650df958432f472b6483f8", "deprecated": false, "signature_version": "v1", "signature_type": "Function", "digest": { "length": 3346.0, "function_hash": "194900872968720504231064561781610806919" }, "target": { "file": "src/isomedia/drm_sample.c", "function": "gf_isom_cenc_get_default_info_internal" } }, { "id": "CVE-2021-31259-6af4de61", "source": "https://github.com/gpac/gpac/commit/3b84ffcbacf144ce35650df958432f472b6483f8", "deprecated": false, "signature_version": "v1", "signature_type": "Line", "digest": { "threshold": 0.9, "line_hashes": [ "136990590939125206256389029610438661067", "45083827786965863177665328271459477456", "186912125732759054483704277177209138439", "241148111799687164755509678443587502638" ] }, "target": { "file": "src/isomedia/drm_sample.c" } } ] }