{"cve":"CVE-2013-4391","nvd":{"published":"2013-10-28T22:55:03.740","modified":"2026-06-16T23:57:08.853","status":"Modified","description":"Integer overflow in the valid_user_field function in journal/journald-native.c in systemd allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large journal data field, which triggers a heap-based buffer overflow.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-190"],"references":["http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357","http://cgit.freedesktop.org/systemd/systemd/commit/?id=505b6a61c22d5565e9308045c7b9bf79f7d0517e","http://www.debian.org/security/2013/dsa-2777","http://www.openwall.com/lists/oss-security/2013/10/01/9","https://bugzilla.redhat.com/show_bug.cgi?id=859051"],"products":["debian:debian_linux","systemd_project:systemd"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-4391","score":0.05443,"percentile":0.92726,"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."]}