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CVE-2011-3326
The ospf_flood function in ospf_flood.c in ospfd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon…
Medium5.0EPSS 4.6%
- Published
- Updated
- Reserved
- Assigned by
- certcc
Description
The ospf_flood function in ospf_flood.c in ospfd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon crash) via an invalid Link State Advertisement (LSA) type in an IPv4 Link State Update message.
Timeline
ID reserved
By certcc
- 42 days later
· 42 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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)
- 4.6% · top 8.2% of all CVEs (8 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
Affected products
n/a
- affected n/a
References (15)
- http://www.quagga.net/download/quagga-0.99.19.changelog.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#668534 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- DSA-2316 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2012:1259 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.cert.fi/en/reports/2011/vulnerability539178.html (opens in a new tab)x_refsource_MISCx_transferred
- 46139 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SU-2011:1075 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2011:1155 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-201202-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2012:1258 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2011:1316 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 46274 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 48106 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://code.quagga.net/?p=quagga.git%3Ba=commit%3Bh=6b161fc12a15aba8824c84d1eb38e529aaf70769 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2011:1171 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_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://cveledger.app/cve/CVE-2011-3326)Record last updated .