Buffer overflow in the OSPFv2 implementation in ospfd in Quagga before 0.99.20.1 allows…
Priority LOW 19CWE-119Published · Updated
Key facts
- Attack vector
- Adjacent 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
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the OSPFv2 implementation in ospfd in Quagga before 0.99.20.1 allows remote attackers to cause a denial of service (daemon crash) via a Link State Update (aka LS Update) packet containing a network-LSA link-state advertisement for which the data-structure length is smaller than the value in the Length header field.
Why it matters now
EPSS 0.01301 70th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
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 · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:* | up to 0.99.20 | 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:*:*:*:*:*:*:*:* Versions up to 0.99.20 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
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:0.99.18:*:*:*:*:*:*:* | 0.99.18 | Vulnerable | Quagga |
| cpe:2.3:a:quagga:quagga:0.99.19:*:*:*:*:*:*:* | 0.99.19 | 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
- cpe:2.3:a:quagga:quagga:0.99.18:*:*:*:*:*:*:* Versions 0.99.18 Vulnerable ·Quagga
- cpe:2.3:a:quagga:quagga:0.99.19:*:*:*:*:*:*:* Versions 0.99.19 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 |
|---|---|---|
| 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-2012-0250
- 2026-10-03 Alias added: GHSA-w6rh-c4vv-wcr5
References
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-2012-0250 · CVE Program
- CVE-2012-0250 · NVD
- FIRST EPSS
- GHSA-w6rh-c4vv-wcr5 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0250 · Red Hat security data · CC BY 4.0
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