{"id":"CVE-2024-23807","aliases":["AZL-55883","AZL-55898","EUVD-2024-21260","GHSA-8582-h585-f568","UBUNTU-CVE-2024-23807"],"status":"published","title":"Apache Xerces C++: Use-after-free on external DTD scan","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.\n\nUsers are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.\n\nThis issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01482,"percentile":0.74182,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2024-02-28T13:50:39Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure Linux:2","package":"xerces-c","fixed_in":["3.2.4-2"],"sources":["osv"]},{"ecosystem":"Azure Linux:3","package":"xerces-c","fixed_in":["3.2.4-2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"xerces-c","fixed_in":["3.1.3+debian-1ubuntu0.1~esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"xerces-c","fixed_in":["3.2.0+debian-2ubuntu0.1~esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"xerces-c","fixed_in":["3.2.3+debian-3ubuntu0.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"xerces-c","fixed_in":["3.2.3+debian-3ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:2","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.4-2"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.4-2"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3+debian-1ubuntu0.1~esm2"}]}],"versions":["3.1.1-5.1","3.1.2+debian-1","3.1.3+debian-1","3.1.3+debian-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+debian-2ubuntu0.1~esm2"}]}],"versions":["3.1.4+debian-2","3.1.4+debian-2build1","3.2.0+debian-2","3.2.0+debian-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3+debian-3ubuntu0.1"}]}],"versions":["3.2.3+debian-3","3.2.3+debian-3build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3+debian-3ubuntu0.1~esm1"}]}],"versions":["3.2.3+debian-3","3.2.3+debian-3build1"]}],"products":[{"vendor":"apache","product":"xerces-c"},{"vendor":"apache","product":"xerces-c\\+\\+"},{"vendor":"apache software foundation","product":"apache xerces c++"}],"references":[{"url":"https://github.com/apache/xerces-c/pull/54","tags":["patch","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://lists.apache.org/thread/c497tgn864tsbm8w0bo3f0d81s07zk9r","tags":["vendor-advisory","x_transferred","Mailing List","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23807","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-8582-h585-f568"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/23xxx/CVE-2024-23807.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-23807","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-23807","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-23807","title":"Apache Xerces C++: Use-after-free on external DTD scan","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.\n\nUsers are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.\n\nThis issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.\n\n","status":"published","published":"2024-02-28T13:50:39.904Z","modified":"2026-01-22T04:55:53.687Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416","CWE-416"],"updated_at":"2026-11-02T14:34:05.444281Z"}],"euvd":[{"id":"EUVD-2024-21260","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.\n\nUsers are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.\n\nThis issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.\n\n","status":"published","published":"2024-02-28T13:50:39Z","modified":"2026-01-22T04:55:53Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:48.974823Z"}],"ghsa":[{"id":"GHSA-8582-h585-f568","title":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error...","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.\n\nUsers are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.\n\nThis issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.\n\n","status":"published","published":"2024-02-29T03:33:17Z","modified":"2026-03-18T05:08:14Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:06:41.030615Z"}],"nvd":[{"id":"CVE-2024-23807","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.\n\nUsers are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.\n\nThis issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.\n\n","status":"published","published":"2024-02-29T01:44:10.34Z","modified":"2026-06-17T07:13:38.5Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:09:38.473056Z"}],"osv":[{"id":"AZL-55883","title":"CVE-2024-23807 affecting package xerces-c for versions less than 3.2.4-2","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.\n\nUsers are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.\n\nThis issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.\n\n","status":"published","published":"2024-02-29T01:44:10Z","modified":"2026-04-21T04:36:01.741055Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:28:06.879785Z"},{"id":"AZL-55898","title":"CVE-2024-23807 affecting package xerces-c for versions less than 3.2.4-2","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.\n\nUsers are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.\n\nThis issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.\n\n","status":"published","published":"2024-02-29T01:44:10Z","modified":"2026-11-05T05:40:51Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-05T16:41:20.996398Z"},{"id":"CVE-2024-23807","title":"Apache Xerces C++: Use-after-free on external DTD scan","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.\n\nUsers are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.\n\nThis issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.\n\n","status":"published","published":"2024-02-28T13:50:39.904Z","modified":"2026-10-28T02:31:12.547006451Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:44:38.897406Z"},{"id":"UBUNTU-CVE-2024-23807","description":"The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs. Users are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable. This issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.","status":"published","published":"2024-02-29T01:44:00Z","modified":"2026-04-22T14:40:02.894769Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:54:42.68848Z"}]}}