{"affected":[{"defaultStatus":"unaffected","product":"gpac","source":"CNA: VulnCheck","vendor":"gpac","versions":[{"lessThanOrEqual":"26.07.0","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-124030","cwes":["CWE-843"],"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.","epss":{"date":"2026-11-14","percentile":0.01975,"score":0.00121},"exploits":[{"kind":"exploit","source":"CNA: VulnCheck","url":"https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/224/224_gf_sg_command_apply_scenegraph_commands_c_346.xmt"}],"kev":null,"metrics":[{"score":6.8,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.5,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},{"score":6.8,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":5.5,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1794690292638,"publishedAt":1793992486903,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/gpac/gpac/issues/4032"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/gpac/gpac"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/gpac/gpac/commit/1359c4da9329cedceeb8fcfeab6d97e0927236e1"},{"source":"CNA: VulnCheck","tags":["exploit"],"url":"https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/224/224_gf_sg_command_apply_scenegraph_commands_c_346.xmt"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/gpac/gpac/blob/v26.07.0/src/scenegraph/commands.c#L321"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/gpac-through-26.07.0-type-confusion-via-gf-sg-command-apply-xmt-field-replace"},{"source":"ADP: CVE","tags":[],"url":"http://www.openwall.com/lists/oss-security/2026/11/14/12"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/gpac/gpac"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/gpac/gpac/blob/v26.07.0/src/scenegraph/commands.c#L321"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/gpac/gpac/commit/1359c4da9329cedceeb8fcfeab6d97e0927236e1"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/gpac/gpac/issues/4032"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/224/224_gf_sg_command_apply_scenegraph_commands_c_346.xmt"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/gpac-through-26.07.0-type-confusion-via-gf-sg-command-apply-xmt-field-replace"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/gpac/gpac/commit/1359c4da9329cedceeb8fcfeab6d97e0927236e1"}],"revision":"8807c7760fbb67048a2f02a3a702e99c70db2cc7c6c64c20952418c57317c90e","sources":[{"modifiedAt":1794690292638,"name":"CNA: VulnCheck","retrievedAt":1794694100324,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124030"},{"modifiedAt":1794341944660,"name":"NVD","retrievedAt":1794356316024,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124030"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794694104710,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-124030"}],"ssvc":{"assessedAt":1794341145947,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"GPAC through 26.07.0 Type Confusion via gf_sg_command_apply XMT Field-Replace","updatedAt":1794694104710}