{"id":"UBUNTU-CVE-2026-91087","details":"A flaw has been found in GPAC up to f1219cde. This vulnerability affects the function gf_mo_get_od_id of the file compositor/media_object.c of the component Compositor. Executing a manipulation can lead to use after free. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version abi-16.24 is able to resolve this issue. This patch is called e34f4ba349d55cd1849f0bcf4cf46552732e2db7. Upgrading the affected component is advised.","modified":"2026-09-16T14:03:35.106441806Z","published":"2026-09-15T07:16:00Z","upstream":["CVE-2026-91087"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-91087"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-91087"},{"type":"REPORT","url":"https://github.com/gpac/gpac/"},{"type":"REPORT","url":"https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7"},{"type":"REPORT","url":"https://github.com/gpac/gpac/issues/3807"},{"type":"REPORT","url":"https://github.com/gpac/gpac/releases/tag/abi-16.24"},{"type":"REPORT","url":"https://github.com/user-attachments/files/30399593/poc_12_info.zip"},{"type":"REPORT","url":"https://vuldb.com/cve/CVE-2026-91087"},{"type":"REPORT","url":"https://vuldb.com/submit/919756"},{"type":"REPORT","url":"https://vuldb.com/vuln/403649"},{"type":"REPORT","url":"https://vuldb.com/vuln/403649/cti"}],"affected":[{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/gpac?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.0+svn4288~dfsg1-1ubuntu1","0.5.0+svn4288~dfsg1-4","0.5.0+svn4288~dfsg1-4ubuntu1","0.5.0+svn4288~dfsg1-4ubuntu1+esm1","0.5.0+svn4288~dfsg1-4ubuntu1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"gpac","binary_version":"0.5.0+svn4288~dfsg1-4ubuntu1+esm2"},{"binary_name":"gpac-modules-base","binary_version":"0.5.0+svn4288~dfsg1-4ubuntu1+esm2"},{"binary_name":"libgpac2","binary_version":"0.5.0+svn4288~dfsg1-4ubuntu1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91087.json"}},{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.2-426-gc5ad4e4+dfsg5-1build1","0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1","0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"gpac","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2"},{"binary_version":"0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2","binary_name":"gpac-modules-base"},{"binary_version":"0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2","binary_name":"libgpac4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91087.json"}},{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.2-426-gc5ad4e4+dfsg5-3","0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1","0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1","binary_name":"gpac"},{"binary_name":"gpac-modules-base","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1"},{"binary_name":"libgpac4","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91087.json"}},{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.2-426-gc5ad4e4+dfsg5-4ubuntu1","0.5.2-426-gc5ad4e4+dfsg5-5","0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"gpac","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2"},{"binary_name":"gpac-modules-base","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2"},{"binary_name":"libgpac4","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91087.json"}},{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1+dfsg1-4","1.0.1+dfsg1-5","2.0.0+dfsg1-2","2.0.0+dfsg1-2ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.0+dfsg1-2ubuntu0.1~esm2","binary_name":"gpac"},{"binary_version":"2.0.0+dfsg1-2ubuntu0.1~esm2","binary_name":"gpac-modules-base"},{"binary_version":"2.0.0+dfsg1-2ubuntu0.1~esm2","binary_name":"libgpac11"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91087.json"}},{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/gpac?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1+dfsg1-3","2.2.1+dfsg1-3.1","2.2.1+dfsg1-3.1build1","2.2.1+dfsg1-3.1build2","2.2.1+dfsg1-3.1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[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