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.
Conclusion & alert: CVE-2012-0250 is rated Low Risk (37.7/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.32%). Core evidence: EPSS rose +1.04% over the last day, indicating growing attacker interest. Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.27% | 1.32% | +1.04% |
| 2 | 2025-12-01 | 0.25% | 0.27% | +0.03% |
| 3 | 2025-03-30 | — | 0.25% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.3 | 2.0 | LOW |
|
6.5 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2012-0250: 1 GLSA(s) (201310-08), 1 atom(s) (net-misc/quagga); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-0250 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2012-0250 |
ubuntu
|
medium | CVE-2012-0250 medium priority: Ubuntu including 1 source packages (quagga), 7 status rows across 7 suites (hardy, lucid, maverick, natty, oneiric, precise, upstream): released 5, ignored 2. | https://ubuntu.com/security/CVE-2012-0250 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| quagga | quagga | <= 0.99.20 | cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.1 | cpe:2.3:a:quagga:quagga:0.99.1:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.2 | cpe:2.3:a:quagga:quagga:0.99.2:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.3 | cpe:2.3:a:quagga:quagga:0.99.3:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.4 | cpe:2.3:a:quagga:quagga:0.99.4:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.5 | cpe:2.3:a:quagga:quagga:0.99.5:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.6 | cpe:2.3:a:quagga:quagga:0.99.6:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.7 | cpe:2.3:a:quagga:quagga:0.99.7:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.8 | cpe:2.3:a:quagga:quagga:0.99.8:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.9 | cpe:2.3:a:quagga:quagga:0.99.9:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.10 | cpe:2.3:a:quagga:quagga:0.99.10:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.11 | cpe:2.3:a:quagga:quagga:0.99.11:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.12 | cpe:2.3:a:quagga:quagga:0.99.12:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.13 | cpe:2.3:a:quagga:quagga:0.99.13:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.14 | cpe:2.3:a:quagga:quagga:0.99.14:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.15 | cpe:2.3:a:quagga:quagga:0.99.15:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.16 | cpe:2.3:a:quagga:quagga:0.99.16:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.17 | cpe:2.3:a:quagga:quagga:0.99.17:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.18 | cpe:2.3:a:quagga:quagga:0.99.18:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.19 | cpe:2.3:a:quagga:quagga:0.99.19:*:*:*:*:*:*:* |