CVE-2009-0780
MEDIUM · CVSS 5.0EPSS 1.6%EU EUVD
The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- EPSS score
- 1.6% (75th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0780)
- Published
- March 4, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0780 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- openbsd / openbsd
- openbsd / openbsd
References
- http://openbsd.org/errata43.html#010_bgpd(Patch, Vendor Advisory)
- http://openbsd.org/errata44.html#010_bgpd(Patch, Vendor Advisory)
- http://osvdb.org/52271
- http://secunia.com/advisories/33975(Vendor Advisory)
- http://www.securityfocus.com/bid/33828
- http://www.securitytracker.com/id?1021736
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48812
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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