{"cve":"CVE-2009-0687","nvd":{"published":"2009-08-11T10:30:00.217","modified":"2026-06-16T23:05:33.990","status":"Modified","description":"The pf_test_rule function in OpenBSD Packet Filter (PF), as used in OpenBSD 4.2 through 4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current allows remote attackers to cause a denial of service (panic) via crafted IP packets that trigger a NULL pointer dereference during translation, related to an IPv4 packet with an ICMPv6 payload.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch","http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-001.txt.asc","http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt","http://www.openbsd.org/errata43.html#013_pf","http://www.openbsd.org/errata44.html#013_pf"],"products":["midnightbsd:midnightbsd","mirbsd:miros","netbsd:netbsd","openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-0687","score":0.09523,"percentile":0.95453,"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."]}