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CVE-2009-1572
The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing…
Medium5.0EPSS 3.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.5% · top 11% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (19)
- 54200 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 35203 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 34999 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MDVSA-2009:109 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 1022164 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- USN-775-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20090501 CVE request (sort of): Quagga BGP crasher (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [quagga-dev] 20090203 [quagga-dev 6391] [PATCH] BGP 4-byte ASN bug fixes (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://thread.gmane.org/gmane.network.quagga.devel/6513 (opens in a new tab)x_refsource_MISCx_transferred
- DSA-1788 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- quagga-systemnumber-dos(50317) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 35685 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2009-5324 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 35061 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SR:2009:012 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=526311 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2009-5284 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 34817 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20090501 Re: CVE request (sort of): Quagga BGP crasher (opens in a new tab)mailing-listx_refsource_MLISTx_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-2009-1572)Record last updated .