{"id":"CVE-2018-21015","aliases":["DEBIAN-CVE-2018-21015","DLA-2072-1","EUVD-2018-13539","GHSA-2675-7qgw-hjvx","MGASA-2020-0137","UBUNTU-CVE-2018-21015"],"status":"published","title":"AVC_DuplicateConfig() at isomedia/avc_ext.c in GPAC 0.7.1 allows remote attackers to cause a...","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01384,"percentile":0.72415,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2019-09-16T12:58:44Z","modified":"2026-10-20T10:50:25Z","fixes":[{"ecosystem":"Debian:11","package":"gpac","fixed_in":["1.0.1+dfsg1-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:11","package":"ccextractor","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"]},{"source":"osv","ecosystem":"Debian:11","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1+dfsg1-2"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.0+svn5324~dfsg1-1+deb8u5"}]}],"versions":["0.5.0+svn5324~dfsg1-1","0.5.0+svn5324~dfsg1-1+deb8u1","0.5.0+svn5324~dfsg1-1+deb8u2","0.5.0+svn5324~dfsg1-1+deb8u3","0.5.0+svn5324~dfsg1-1+deb8u4"],"bundled":10},{"source":"osv","ecosystem":"Mageia:7","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.1-6.1.mga7.tainted"}]}],"bundled":10},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"gpac","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"gpac","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"gpac","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"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ccextractor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.87+ds1-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"gpac","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"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ccextractor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.88+ds1-1","0.93+ds2-1","0.93+ds2-1ubuntu1","0.93+ds2-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ccextractor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.94+ds1-3","0.94+ds1-3build2","0.94+ds1-3build3"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"gpac","product":"gpac"}],"references":[{"url":"https://github.com/gpac/gpac/issues/1179","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/01/msg00017.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-21015"},{"url":"https://github.com/advisories/GHSA-2675-7qgw-hjvx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-21015","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0137.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26131","tags":["report"]},{"url":"https://www.debian.org/lts/security/2020/dla-2072","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-21015","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-21015","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-21015","description":"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.","status":"published","published":"2019-09-16T12:58:44Z","modified":"2024-08-05T12:19:27.233Z","updated_at":"2026-11-02T14:35:02.289647Z"}],"euvd":[{"id":"EUVD-2018-13539","description":"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.","status":"published","published":"2019-09-16T12:58:44Z","modified":"2024-08-05T12:19:27Z","updated_at":"2026-11-03T02:39:28.765449Z"}],"ghsa":[{"id":"GHSA-2675-7qgw-hjvx","title":"AVC_DuplicateConfig() at isomedia/avc_ext.c in GPAC 0.7.1 allows remote attackers to cause a...","description":"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.","status":"published","published":"2022-05-24T16:56:14Z","modified":"2023-02-28T21:30:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:54:14.599346Z"}],"nvd":[{"id":"CVE-2018-21015","description":"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.","status":"published","published":"2019-09-16T13:15:11.417Z","modified":"2026-06-17T01:53:57.623Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:04:59.278647Z"}],"osv":[{"id":"CVE-2018-21015","description":"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.","status":"published","published":"2019-09-16T13:15:11.417Z","modified":"2026-10-20T10:50:25.038075546Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:09.145458Z"},{"id":"DEBIAN-CVE-2018-21015","description":"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.","status":"published","published":"2019-09-16T13:15:11.417Z","modified":"2026-08-04T06:04:29.689748182Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.867575Z"},{"id":"UBUNTU-CVE-2018-21015","description":"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.","status":"published","published":"2019-09-16T13:15:00Z","modified":"2026-04-22T11:53:27.203667Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.91743Z"},{"id":"DLA-2072-1","title":"gpac - security update","status":"published","published":"2020-01-20T00:00:00Z","modified":"2026-03-09T01:19:43.044178Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"MGASA-2020-0137","title":"Updated gpac packages fix security vulnerabilities","description":"The updated packages fix security vulnerabilities:\n\nAVC_DuplicateConfig() at isomedia/avc_ext.c in GPAC 0.7.1 allows remote\nattackers to cause a denial of service (NULL pointer dereference and\napplication crash) via a crafted file.\nThere is \"cfg_new-\u003eAVCLevelIndication = cfg-\u003eAVCLevelIndication;\" but\ncfg could be NULL. (CVE-2018-21015)\n\naudio_sample_entry_AddBox() at isomedia/box_code_base.c in GPAC 0.7.1\nallows remote attackers to cause a denial of service (heap-based buffer\nover-read and application crash) via a crafted file. (CVE-2018-21016)\n\nIn GPAC before 0.8.0, isomedia/isom_read.c in libgpac.a has a heap-based\nbuffer over-read, as demonstrated by a crash in gf_m2ts_sync in\nmedia_tools/mpegts.c. (CVE-2019-13618)\n\nAn issue was discovered in GPAC version 0.8.0 and 0.9.0-development-\n20191109. There is heap-based buffer overflow in the function\nReadGF_IPMPX_WatermarkingInit() in odf/ipmpx_code.c. (CVE-2019-20161)\n\nAn issue was discovered in GPAC version 0.8.0 and 0.9.0-development-\n20191109. There is heap-based buffer overflow in the function\ngf_isom_box_parse_ex() in isomedia/box_funcs.c. (CVE-2019-20162)\n\nAn issue was discovered in GPAC version 0.8.0 and 0.9.0-development-\n20191109. There is a NULL pointer dereference in the function\ngf_odf_avc_cfg_write_bs() in odf/descriptors.c. (CVE-2019-20163)\n\nAn issue was discovered in GPAC version 0.8.0 and 0.9.0-development-\n20191109. There is a NULL pointer dereference in the function\nilst_item_Read() in isomedia/box_code_apple.c. (CVE-2019-20165)\n\nAn issue was discovered in GPAC version 0.8.0 and 0.9.0-development-\n20191109. There is an invalid pointer dereference in the function\nGF_IPMPX_AUTH_Delete() in odf/ipmpx_code.c. (CVE-2019-20170)\n\nAn issue was discovered in GPAC version 0.8.0 and 0.9.0-development-\n20191109. There are memory leaks in metx_New in isomedia/box_code_base.c\nand abst_Read in isomedia/box_code_adobe.c. (CVE-2019-20171)\n\ndimC_Read in isomedia/box_code_3gpp.c in GPAC 0.8.0 has a stack-based\nbuffer overflow. (CVE-2019-20208)\n","status":"published","published":"2020-03-10T19:04:50Z","modified":"2026-04-16T04:42:00.827460012Z","updated_at":"2026-11-02T15:49:41.151324Z"}]}}