{"cve":"CVE-2023-52339","nvd":{"published":"2024-01-12T02:15:44.637","modified":"2026-06-17T06:42:30.513","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-190"],"references":["https://github.com/Matroska-Org/libebml/blob/v1.x/NEWS.md","https://github.com/Matroska-Org/libebml/compare/release-1.4.4...release-1.4.5","https://github.com/Matroska-Org/libebml/issues/147","https://github.com/Matroska-Org/libebml/pull/148","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BJUXVOIRWPP7OFYUKQZDNJTSLWCPIZBH/"],"products":["matroska:libebml"],"source":"nvd","synced_at":"2026-10-19T21:43:38.875533635+00:00"},"epss":{"cve":"CVE-2023-52339","score":0.01097,"percentile":0.65611,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}