{"id":"CVE-2023-52339","aliases":["DEBIAN-CVE-2023-52339","DLA-4023-1","EUVD-2023-56996","GHSA-vmjp-26xc-5h39","UBUNTU-CVE-2023-52339","USN-8746-1","openSUSE-SU-2024:13588-1"],"status":"published","title":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or...","description":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","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":"2026-11-12","score":0.01097,"percentile":0.66069,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2024-01-12T00:00:00Z","modified":"2026-10-28T10:40:37Z","fixes":[{"ecosystem":"Debian:12","package":"libebml","fixed_in":["1.4.4-1+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libebml","fixed_in":["1.4.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libebml","fixed_in":["1.4.5-1"],"sources":["osv"]},{"ecosystem":"Debian:11","package":"libebml","fixed_in":["1.4.2-1+deb11u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libebml","fixed_in":["1.3.3-1ubuntu0.1+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libebml","fixed_in":["1.3.5-2ubuntu0.1+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"libebml","fixed_in":["1.3.10-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"libebml","fixed_in":["1.4.2-2ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4-1+deb12u1"}]}],"versions":["1.4.4-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-1+deb11u1"}]}],"versions":["1.4.2-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1ubuntu0.1+esm1"}]}],"versions":["1.3.1-5","1.3.3-1","1.3.3-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-2ubuntu0.1+esm1"}]}],"versions":["1.3.4-2","1.3.5-2","1.3.5-2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.10-1ubuntu0.1~esm1"}]}],"versions":["1.3.9-2","1.3.10-1","1.3.10-1build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-2ubuntu0.1~esm1"}]}],"versions":["1.4.2-1","1.4.2-2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1ubuntu0.1+esm1"}]}],"versions":["1.3.1-5","1.3.3-1","1.3.3-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-2ubuntu0.1+esm1"}]}],"versions":["1.3.4-2","1.3.5-2","1.3.5-2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.10-1ubuntu0.1~esm1"}]}],"versions":["1.3.9-2","1.3.10-1","1.3.10-1build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"libebml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-2ubuntu0.1~esm1"}]}],"versions":["1.4.2-1","1.4.2-2"]}],"products":[{"vendor":"matroska","product":"libebml"}],"references":[{"url":"https://github.com/Matroska-Org/libebml/issues/147","tags":["x_transferred","Exploit","Issue Tracking","Patch","Vendor Advisory","report"]},{"url":"https://github.com/Matroska-Org/libebml/pull/148","tags":["x_transferred","Patch","fix","report"]},{"url":"https://github.com/Matroska-Org/libebml/blob/v1.x/NEWS.md","tags":["x_transferred","Release Notes","web","report"]},{"url":"https://github.com/Matroska-Org/libebml/compare/release-1.4.4...release-1.4.5","tags":["x_transferred","Release Notes","web","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BJUXVOIRWPP7OFYUKQZDNJTSLWCPIZBH/","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNANFT4P6KL4WDQ3TV6QQ44NSC7WKLAB/","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00016.html","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BJUXVOIRWPP7OFYUKQZDNJTSLWCPIZBH/","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XNANFT4P6KL4WDQ3TV6QQ44NSC7WKLAB/","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52339","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BJUXVOIRWPP7OFYUKQZDNJTSLWCPIZBH"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNANFT4P6KL4WDQ3TV6QQ44NSC7WKLAB"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BJUXVOIRWPP7OFYUKQZDNJTSLWCPIZBH"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XNANFT4P6KL4WDQ3TV6QQ44NSC7WKLAB"},{"url":"https://github.com/advisories/GHSA-vmjp-26xc-5h39"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52339.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-52339","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-52339","tags":["report"]},{"url":"https://github.com/Matroska-Org/libebml/commit/4d577f5c3e267b2988d56dafebc82dedb4c45506","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-52339","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8746-1","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52339","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2023-52339","description":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","status":"published","published":"2024-01-12T00:00:00Z","modified":"2025-11-04T22:05:33.118Z","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":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:35:18.508816Z"}],"euvd":[{"id":"EUVD-2023-56996","description":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","status":"published","published":"2024-01-12T00:00:00Z","modified":"2025-11-04T22:05:33Z","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":"2026-11-02T19:49:20.707326Z"}],"ghsa":[{"id":"GHSA-vmjp-26xc-5h39","title":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or...","description":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","status":"published","published":"2024-01-12T03:30:49Z","modified":"2025-11-05T00:31:17Z","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-190"],"updated_at":"2026-11-02T15:04:38.82847Z"}],"nvd":[{"id":"CVE-2023-52339","description":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","status":"published","published":"2024-01-12T02:15:44.637Z","modified":"2026-06-17T06:42:30.513Z","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":"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":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:09:00.788714Z"}],"osv":[{"id":"CVE-2023-52339","description":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","status":"published","published":"2024-01-12T00:00:00Z","modified":"2026-10-28T10:40:37.19966722Z","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":"2026-11-02T15:44:35.245372Z"},{"id":"DEBIAN-CVE-2023-52339","description":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","status":"published","published":"2024-01-12T02:15:44.637Z","modified":"2026-10-26T18:03:08.104992509Z","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":"2026-11-02T15:45:40.586408Z"},{"id":"UBUNTU-CVE-2023-52339","description":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","status":"published","published":"2024-01-12T02:15:00Z","modified":"2026-09-10T21:30:17.200438766Z","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"},{"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":"2026-11-02T16:54:23.935133Z"},{"id":"DLA-4023-1","title":"libebml - security update","status":"published","published":"2025-01-20T00:00:00Z","modified":"2026-03-09T01:18:35.515183Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"openSUSE-SU-2024:13588-1","title":"libebml-devel-1.4.5-2.1 on GA media","description":"These are all security issues fixed in the libebml-devel-1.4.5-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:42:50.365293Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"USN-8746-1","title":"libebml vulnerability","description":"It was discovered that libEBML incorrectly handled certain read and write\noperations. An attacker could possibly use this issue to cause a buffer\noverflow, resulting in a denial of service.","status":"published","published":"2026-09-10T15:48:52Z","modified":"2026-09-10T21:42:30.988576574Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}