{"id":"UBUNTU-CVE-2026-15185","details":"A vulnerability was determined in GPAC 26.03-DEV. This affects the function vobsub_read_idx of the file /src/media_tools/vobsub.c of the component MP4Box. Executing a manipulation of the argument num_langs can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called 532097084729a936bcdf6a27c41003f3bd7dc3ff. It is best practice to apply a patch to resolve this issue. Two different commits were applied to fix this issue.","modified":"2026-07-15T17:48:14Z","published":"2026-07-09T14:16:00Z","upstream":["CVE-2026-15185"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-15185"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-15185"},{"type":"REPORT","url":"https://github.com/gpac/gpac/"},{"type":"REPORT","url":"https://github.com/gpac/gpac/commit/532097084729a936bcdf6a27c41003f3bd7dc3ff"},{"type":"REPORT","url":"https://github.com/gpac/gpac/commit/aa0fb77b82e51b159a2024c440cdf6b571b14d81"},{"type":"REPORT","url":"https://github.com/gpac/gpac/issues/3611"},{"type":"REPORT","url":"https://vuldb.com/cve/CVE-2026-15185"},{"type":"REPORT","url":"https://vuldb.com/submit/851214"},{"type":"REPORT","url":"https://vuldb.com/vuln/377111"},{"type":"REPORT","url":"https://vuldb.com/vuln/377111/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-2026-15185.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_name":"gpac-modules-base","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2"},{"binary_name":"libgpac4","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15185.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_name":"gpac","binary_version":"0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1"},{"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-2026-15185.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_version":"0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2","binary_name":"gpac-modules-base"},{"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-2026-15185.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_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","binary_version":"2.0.0+dfsg1-2ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-15185.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":[{"binary_version":"2.2.1+dfsg1-3.1ubuntu0.1~esm2","binary_name":"gpac"},{"binary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