{"cve":"CVE-2023-52557","nvd":{"published":"2024-03-01T17:15:07.257","modified":"2026-06-17T06:43:01.140","status":"Analyzed","description":"In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length.","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-131","CWE-805"],"references":["https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/016_npppd.patch.sig","https://github.com/openbsd/src/commit/abf3a29384c582c807a621e7fc6e7c68d0cafe9b","https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/016_npppd.patch.sig","https://github.com/openbsd/src/commit/abf3a29384c582c807a621e7fc6e7c68d0cafe9b"],"products":["openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2023-52557","score":0.00555,"percentile":0.46296,"date":"2026-11-01"},"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."]}