
CVE catalog
CVE-2012-1820
quagga - denial of service
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.04% · Oct 25, 2026
The bgp_capability_orf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) by leveraging a BGP peering relationship and sending a malformed Outbound Route Filtering (ORF) capability TLV in an OPEN message. (bgpd): Assertion failure by processing BGP OPEN message with malformed ORF capability TLV (VU#962587) The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | quagga | 6.0 | 0.99.17-2 | vulnerable |
| Debian | quagga | 6.0 | 0.99.17-2+squeeze2 | vulnerable |
| Debian | quagga | 6.0 | 0.99.17-2+squeeze3 | vulnerable |
| Debian | quagga | 6.0 | 0.99.17-3 | vulnerable |
| Debian | quagga | 6.0 | 0.99.17-4 | vulnerable |
| Debian | quagga | 6.0 | 0.99.18-1 | vulnerable |
| Debian | quagga | 6.0 | 0.99.18-2 | vulnerable |
| Debian | quagga | 6.0 | 0.99.19-1 | vulnerable |
| Debian | quagga | 6.0 | 0.99.20-1 | vulnerable |
| Debian | quagga | 6.0 | 0.99.20-1~bpo60+1 | vulnerable |
| Debian | quagga | 6.0 | 0.99.20-2 | vulnerable |
| Debian | quagga | 6.0 | 0.99.20-3 | vulnerable |
| Debian | quagga | 6.0 | 0.99.20-4 | vulnerable |
| Debian | quagga | 6.0 | 0.99.20.1-0+squeeze1 | vulnerable |
| Debian | quagga | 6.0 | 0.99.20.1-0+squeeze2 | vulnerable |
| Debian | quagga | 6.0 | 0.99.20.1-0+squeeze3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | quagga | deb | 6.0 | 0.99.20.1-0+squeeze3 | Not reported | DSA-2497-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: