CVE-2009-0687
HIGH · CVSS 7.8EPSS 9.5%EU EUVD
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.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-399
- EPSS score
- 9.5% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0687)
- Published
- August 11, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0687 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- midnightbsd / midnightbsd
- mirbsd / miros
- netbsd / netbsd
- openbsd / openbsd
- openbsd / openbsd
- openbsd / openbsd
- openbsd / openbsd
References
- ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch(Patch, Vendor Advisory)
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-001.txt.asc(Vendor Advisory)
- http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt
- http://www.openbsd.org/errata43.html#013_pf(Patch, Vendor Advisory)
- http://www.openbsd.org/errata44.html#013_pf(Patch, Vendor Advisory)
- http://www.openbsd.org/errata45.html#002_pf(Patch, Vendor Advisory)
- http://www.osvdb.org/53608
- http://www.securityfocus.com/archive/1/502634
- http://www.vupen.com/english/advisories/2009/1015(Patch, Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49837
- https://www.exploit-db.com/exploits/8406
- https://www.exploit-db.com/exploits/8581
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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