{"id":"CVE-2026-124030","published":"2026-11-06T20:17:21.663","lastModified":"2026-11-10T20:19:04.660","description":"GPAC through 26.07.0 contains a type confusion vulnerability in gf_sg_command_apply() in src/scenegraph/commands.c that fails to verify BIFS field-replace command types match target node fields. Attackers can supply a crafted XMT file opened with MP4Box, such as via chapter import, causing gf_sg_vrml_field_clone() to memcpy from invalid pointers and crash.","cvssScore":5.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-843"],"vendors":[],"products":[],"references":[{"url":"https://github.com/gpac/gpac","tags":[]},{"url":"https://github.com/gpac/gpac/blob/v26.07.0/src/scenegraph/commands.c#L321","tags":[]},{"url":"https://github.com/gpac/gpac/commit/1359c4da9329cedceeb8fcfeab6d97e0927236e1","tags":[]},{"url":"https://github.com/gpac/gpac/issues/4032","tags":[]},{"url":"https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/224/224_gf_sg_command_apply_scenegraph_commands_c_346.xmt","tags":[]},{"url":"https://www.vulncheck.com/advisories/gpac-through-26.07.0-type-confusion-via-gf-sg-command-apply-xmt-field-replace","tags":[]}],"exploitRefs":[{"url":"https://github.com/gpac/gpac","tags":[]},{"url":"https://github.com/gpac/gpac/blob/v26.07.0/src/scenegraph/commands.c#L321","tags":[]},{"url":"https://github.com/gpac/gpac/commit/1359c4da9329cedceeb8fcfeab6d97e0927236e1","tags":[]},{"url":"https://github.com/gpac/gpac/issues/4032","tags":[]},{"url":"https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/224/224_gf_sg_command_apply_scenegraph_commands_c_346.xmt","tags":[]}],"hasPoc":true,"ai":null}