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CVE-2009-0687
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,…
High7.8EPSS 9.5%
- Published
- Updated
- Reserved
- Assigned by
- certcc
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 9.5% · top 4.5% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (11)
- 53608 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- [4.3] 013: RELIABILITY FIX: April 11, 2009 (opens in a new tab)vendor-advisoryx_refsource_OPENBSDx_transferred
- NetBSD-SA2009-001 (opens in a new tab)vendor-advisoryx_refsource_NETBSDx_transferred
- 8406 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- openbsd-packetfilter-dos(49837) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt (opens in a new tab)x_refsource_MISCx_transferred
- 20090413 OpenBSD 4.3 up to OpenBSD-current: PF null pointer dereference - remote DoS (kernel panic) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 8581 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- [4.4] 013: RELIABILITY FIX: April 11, 2009 (opens in a new tab)vendor-advisoryx_refsource_OPENBSDx_transferred
- ADV-2009-1015 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- [4.5] 002: RELIABILITY FIX: April 11, 2009 (opens in a new tab)vendor-advisoryx_refsource_OPENBSDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-0687)Record last updated .