{"id":"UBUNTU-CVE-2019-20630","details":"An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains a heap-based buffer over-read in BS_ReadByte (called from gf_bs_read_bit) in utils/bitstream.c that can cause a denial of service via a crafted MP4 file.","modified":"2026-04-22T12:17:56.036579Z","published":"2020-03-24T19:15:00Z","upstream":["CVE-2019-20630"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-20630"},{"type":"REPORT","url":"https://github.com/gpac/gpac/commit/1ab4860609f2e7a35634930571e7d0531297e090"},{"type":"REPORT","url":"https://github.com/gpac/gpac/issues/1268"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-20630"}],"affected":[{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/gpac@0.5.0+svn4288~dfsg1-4ubuntu1+esm2?arch=source&distro=esm-infra-legacy/trusty"},"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_version":"0.5.0+svn4288~dfsg1-4ubuntu1+esm2","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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20630.json"}},{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gpac@0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2?arch=source&distro=esm-apps/xenial"},"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_version":"0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2","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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20630.json"}},{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/gpac@0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1?arch=source&distro=esm-apps/bionic"},"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_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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20630.json"}},{"package":{"name":"gpac","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/gpac@0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2?arch=source&distro=esm-apps/focal"},"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_version":"0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2","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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20630.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}