{"id":"DEBIAN-CVE-2018-21015","details":"AVC_DuplicateConfig() at isomedia/avc_ext.c in GPAC 0.7.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file. There is \"cfg_new-\u003eAVCLevelIndication = cfg-\u003eAVCLevelIndication;\" but cfg could be NULL.","modified":"2026-07-28T06:05:20.085951153Z","published":"2019-09-16T13:15:11.417Z","upstream":["CVE-2018-21015"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2018-21015"}],"affected":[{"package":{"name":"ccextractor","ecosystem":"Debian:11","purl":"pkg:deb/debian/ccextractor?arch=source&distro=bullseye"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.88+ds1-1","0.93+ds1-1","0.93+ds2-1","0.93+ds2-2","0.94+ds1-1","0.94+ds1-2","0.94+ds1-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-21015.json"}},{"package":{"name":"gpac","ecosystem":"Debian:11","purl":"pkg:deb/debian/gpac?arch=source&distro=bullseye"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1+dfsg1-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-21015.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}