CVE-2011-3326
The ospf_flood function in ospf_flood.c in ospfd in Quagga before 0.99.19 allows remote attackers...
CVE-2011-3326 is a medium vulnerability (CVSS 5.0) in Quagga, published October 5, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.63%, the 91st percentile. No source names a fixed version.
- Severity
- 5.0 MediumCVSS 2.0, NVD
- Exploit chance
- 4.63%EPSS, 91st percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
quaggaDebian:5.0 From an advisory covering 5 CVEs | before 0.99.10-1lenny6, plus listed versions 0.99.10-1lenny10.99.10-1lenny20.99.10-1lenny30.99.10-1lenny5 | 0.99.10-1lenny6 |
quaggaDebian:6.0 From an advisory covering 5 CVEs | before 0.99.17-2+squeeze3, plus listed versions 0.99.17-20.99.17-2+squeeze2 | 0.99.17-2+squeeze3 |
quaggaRed Hat:enterprise_linux:5::client From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quagga-contribRed Hat:enterprise_linux:5::client From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quagga-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quaggaRed Hat:enterprise_linux:5::client_workstation From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quagga-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quagga-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quaggaRed Hat:enterprise_linux:5::server From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quagga-contribRed Hat:enterprise_linux:5::server From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
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| Package | Affected | Fixed |
|---|---|---|
quagga-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quagga-develRed Hat:enterprise_linux:5::server From an advisory covering 8 CVEs | before 0:0.98.6-7.el5_8.1 | 0:0.98.6-7.el5_8.1 |
quaggaRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs | before 0:0.99.15-7.el6_3.2 | 0:0.99.15-7.el6_3.2 |
quagga-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs | before 0:0.99.15-7.el6_3.2 | 0:0.99.15-7.el6_3.2 |
quagga-contribRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs | before 0:0.99.15-7.el6_3.2 | 0:0.99.15-7.el6_3.2 |
quagga-develRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs | before 0:0.99.15-7.el6_3.2 | 0:0.99.15-7.el6_3.2 |
quaggaRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs | before 0:0.99.15-7.el6_3.2 | 0:0.99.15-7.el6_3.2 |
quagga-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs | before 0:0.99.15-7.el6_3.2 | 0:0.99.15-7.el6_3.2 |
quagga-contribRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs | before 0:0.99.15-7.el6_3.2 | 0:0.99.15-7.el6_3.2 |
quagga-develRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs | before 0:0.99.15-7.el6_3.2 | 0:0.99.15-7.el6_3.2 |
What each source reports
NVD Score used
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.
- Record
CVE-2011-3326- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2011-3326- Updated
- 2026-11-02
EUVDEUVD-2011-3290No score
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.
- Record
EUVD-2011-3290- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xrjp-rhjh-9hxfNo score
The ospf_flood function in ospf_flood.c in ospfd in Quagga before 0.99.19 allows remote attackers...
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.
- Record
GHSA-xrjp-rhjh-9hxf- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
quagga.net/download/quagga-0.99.19.changelog.txt
kb.cert.org/vuls/id/668534
debian.org/security/2011/dsa-2316
rhn.redhat.com/errata/RHSA-2012-1259.html
cert.fi/en/reports/2011/vulnerability539178.html
secunia.com/advisories/46139
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lists.opensuse.org/opensuse-security-announce/2011-09/msg00027.html
security.gentoo.org/glsa/glsa-201202-02.xml
code.quagga.net?p=quagga.git%3Ba=commit%3Bh=6b161fc12a15aba8824c84d1eb38e529aaf70769
nvd.nist.gov/vuln/detail/CVE-2011-3326
github.com/advisories/GHSA-xrjp-rhjh-9hxf
access.redhat.com/errata/RHSA-2012:1258
bugzilla.redhat.com/show_bug.cgi?id=654603
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1258.json
cve.org/CVERecord?id=CVE-2010-1674