The ospf_flood function in ospf_flood.c in ospfd in Quagga before 0.99.19 allows remote…
Priority LOW 30CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Partial Red Hat: 7 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.04628 91st percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 7 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 38
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:* | up to 0.99.18 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.95:*:*:*:*:*:*:* | 0.95 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.96:*:*:*:*:*:*:* | 0.96 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.96.1:*:*:*:*:*:*:* | 0.96.1 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.96.2:*:*:*:*:*:*:* | 0.96.2 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.96.3:*:*:*:*:*:*:* | 0.96.3 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.96.4:*:*:*:*:*:*:* | 0.96.4 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.96.5:*:*:*:*:*:*:* | 0.96.5 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.97.0:*:*:*:*:*:*:* | 0.97.0 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.97.1:*:*:*:*:*:*:* | 0.97.1 | Vulnerable | Quagga |
- cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:* Versions up to 0.99.18 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.95:*:*:*:*:*:*:* Versions 0.95 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.96:*:*:*:*:*:*:* Versions 0.96 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.96.1:*:*:*:*:*:*:* Versions 0.96.1 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.96.2:*:*:*:*:*:*:* Versions 0.96.2 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.96.3:*:*:*:*:*:*:* Versions 0.96.3 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.96.4:*:*:*:*:*:*:* Versions 0.96.4 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.96.5:*:*:*:*:*:*:* Versions 0.96.5 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.97.0:*:*:*:*:*:*:* Versions 0.97.0 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.97.1:*:*:*:*:*:*:* Versions 0.97.1 Vulnerable ·Quagga
Show 28 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:quagga:quagga:0.97.2:*:*:*:*:*:*:* | 0.97.2 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.97.3:*:*:*:*:*:*:* | 0.97.3 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.97.4:*:*:*:*:*:*:* | 0.97.4 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.97.5:*:*:*:*:*:*:* | 0.97.5 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.98.0:*:*:*:*:*:*:* | 0.98.0 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.98.1:*:*:*:*:*:*:* | 0.98.1 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.98.2:*:*:*:*:*:*:* | 0.98.2 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.98.3:*:*:*:*:*:*:* | 0.98.3 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.98.4:*:*:*:*:*:*:* | 0.98.4 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.98.5:*:*:*:*:*:*:* | 0.98.5 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.98.6:*:*:*:*:*:*:* | 0.98.6 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.1:*:*:*:*:*:*:* | 0.99.1 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.2:*:*:*:*:*:*:* | 0.99.2 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.3:*:*:*:*:*:*:* | 0.99.3 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.4:*:*:*:*:*:*:* | 0.99.4 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.5:*:*:*:*:*:*:* | 0.99.5 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.6:*:*:*:*:*:*:* | 0.99.6 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.7:*:*:*:*:*:*:* | 0.99.7 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.8:*:*:*:*:*:*:* | 0.99.8 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.9:*:*:*:*:*:*:* | 0.99.9 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.10:*:*:*:*:*:*:* | 0.99.10 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.11:*:*:*:*:*:*:* | 0.99.11 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.12:*:*:*:*:*:*:* | 0.99.12 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.13:*:*:*:*:*:*:* | 0.99.13 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.14:*:*:*:*:*:*:* | 0.99.14 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.15:*:*:*:*:*:*:* | 0.99.15 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.16:*:*:*:*:*:*:* | 0.99.16 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.17:*:*:*:*:*:*:* | 0.99.17 | Vulnerable | Quagga |
- cpe:2.3:a:quagga:quagga:0.97.2:*:*:*:*:*:*:* Versions 0.97.2 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.97.3:*:*:*:*:*:*:* Versions 0.97.3 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.97.4:*:*:*:*:*:*:* Versions 0.97.4 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.97.5:*:*:*:*:*:*:* Versions 0.97.5 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.98.0:*:*:*:*:*:*:* Versions 0.98.0 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.98.1:*:*:*:*:*:*:* Versions 0.98.1 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.98.2:*:*:*:*:*:*:* Versions 0.98.2 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.98.3:*:*:*:*:*:*:* Versions 0.98.3 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.98.4:*:*:*:*:*:*:* Versions 0.98.4 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.98.5:*:*:*:*:*:*:* Versions 0.98.5 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.98.6:*:*:*:*:*:*:* Versions 0.98.6 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.1:*:*:*:*:*:*:* Versions 0.99.1 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.2:*:*:*:*:*:*:* Versions 0.99.2 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.3:*:*:*:*:*:*:* Versions 0.99.3 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.4:*:*:*:*:*:*:* Versions 0.99.4 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.5:*:*:*:*:*:*:* Versions 0.99.5 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.6:*:*:*:*:*:*:* Versions 0.99.6 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.7:*:*:*:*:*:*:* Versions 0.99.7 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.8:*:*:*:*:*:*:* Versions 0.99.8 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.9:*:*:*:*:*:*:* Versions 0.99.9 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.10:*:*:*:*:*:*:* Versions 0.99.10 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.11:*:*:*:*:*:*:* Versions 0.99.11 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.12:*:*:*:*:*:*:* Versions 0.99.12 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.13:*:*:*:*:*:*:* Versions 0.99.13 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.14:*:*:*:*:*:*:* Versions 0.99.14 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.15:*:*:*:*:*:*:* Versions 0.99.15 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.16:*:*:*:*:*:*:* Versions 0.99.16 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.17:*:*:*:*:*:*:* Versions 0.99.17 Vulnerable ·Quagga
Remediation
Red Hat 2 advisories
- RHSA-2012:1259 Released 2012-09-12 · Red Hat rating Moderatequagga security update
- Red Hat Enterprise Linux Server (v. 6) quagga-0.99.15-7.el6_3.2
- Red Hat Enterprise Linux Server Optional (v. 6) quagga-0.99.15-7.el6_3.2, quagga-contrib-0.99.15-7.el6_3.2, quagga-devel-0.99.15-7.el6_3.2 +1
- Red Hat Enterprise Linux Workstation (v. 6) quagga-0.99.15-7.el6_3.2
- Red Hat Enterprise Linux Workstation Optional (v. 6) quagga-0.99.15-7.el6_3.2, quagga-contrib-0.99.15-7.el6_3.2, quagga-devel-0.99.15-7.el6_3.2
- RHSA-2012:1258 Released 2012-09-12 · Red Hat rating Moderatequagga security update
- RHEL Desktop Workstation (v. 5 client) quagga-0.98.6-7.el5_8.1, quagga-0.98.6-7.el5_8.1.i386, quagga-devel-0.98.6-7.el5_8.1 +1
- Red Hat Enterprise Linux (v. 5 server) quagga-0.98.6-7.el5_8.1, quagga-0.98.6-7.el5_8.1.i386, quagga-0.98.6-7.el5_8.1.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) quagga-0.98.6-7.el5_8.1, quagga-contrib-0.98.6-7.el5_8.1, quagga-contrib-0.98.6-7.el5_8.1.i386
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 4 | Affected | No fix yet |
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2012:1258 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:1258 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:1258 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:1259 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2012:1259 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:1259 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2012:1259 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3326
- 2026-10-03 Alias added: GHSA-xrjp-rhjh-9hxf
References
Advisory 9
More Quagga vulnerabilities
- TI-2018-03911 Memory corruption in Quagga bgpd CVSS 3.0HIGH 7.1
- TI-2018-03912 Double free in Quagga bgpd CVSS 3.0CRITICAL 9.8
- TI-2017-11946 The aspath_put function in bgpd/bgp_aspath.c in Quagga before 1.2.2 allows remote… CVSS 3.0HIGH 7.5
- TI-2018-03914 Infinite loop in Quagga bgpd CVSS 3.0HIGH 7.5
- TI-2017-03515 All versions of Quagga, 0.93 through 1.1.0, are vulnerable to an unbounded memory… CVSS 3.0HIGH 7.5
- TI-2016-02105 The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in the VPNv4 NLRI parser in bgpd in… CVSS 3.0HIGH 8.1
Sources
- CVE-2011-3326 · CVE Program
- CVE-2011-3326 · NVD
- FIRST EPSS
- GHSA-xrjp-rhjh-9hxf · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3326 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences