{"cve":"CVE-2013-4520","nvd":{"published":"2013-12-14T20:55:03.407","modified":"2026-06-16T23:57:22.827","status":"Modified","description":"xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type.  NOTE: this issue is due to an incomplete fix for CVE-2012-2825.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://seclists.org/oss-sec/2013/q4/238","http://seclists.org/oss-sec/2013/q4/239","http://secunia.com/advisories/56072","http://www.osvdb.org/99671","https://bugzilla.novell.com/show_bug.cgi?id=849019"],"products":["xmlsoft:libxslt"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-4520","score":0.0229,"percentile":0.83223,"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."]}