{"cve":"CVE-2019-15903","nvd":{"published":"2019-09-04T06:15:10.877","modified":"2026-10-14T07:16:47.100","status":"Modified","description":"In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-125","CWE-776"],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00080.html","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00081.html","http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00000.html","http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00002.html","http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00003.html"],"products":["libexpat_project:libexpat","python:python"],"source":"nvd","synced_at":"2026-10-19T20:58:39.700375520+00:00"},"epss":{"cve":"CVE-2019-15903","score":0.06643,"percentile":0.93822,"date":"2026-10-25"},"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."]}