CVE-2007-4826
LOW · CVSS 3.5EPSS 1.7%EU EUVD
bgpd in Quagga before 0.99.9 allows explicitly configured BGP peers to cause a denial of service (crash) via a malformed (1) OPEN message or (2) a COMMUNITY attribute, which triggers a NULL pointer dereference. NOTE: vector 2 only exists when debugging is enabled.
Key facts
- CVSS score
- 3.5 (v2.0)
- Severity
- LOW
- CVSS vector
AV:N/AC:M/Au:S/C:N/I:N/A:P- EPSS score
- 1.7% (77th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-4807)
- Published
- September 12, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-4807 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
- quagga / quagga
References
- http://fedoranews.org/updates/FEDORA-2007-219.shtml
- http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00153.html
- http://quagga.net/news2.php?y=2007&m=9&d=7#id1189190760(Patch)
- http://secunia.com/advisories/26744(Patch, Vendor Advisory)
- http://secunia.com/advisories/26829(Vendor Advisory)
- http://secunia.com/advisories/26863(Vendor Advisory)
- http://secunia.com/advisories/27049(Vendor Advisory)
- http://secunia.com/advisories/29743(Vendor Advisory)
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-236141-1
- http://www.debian.org/security/2007/dsa-1382
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:182
- http://www.quagga.net/download/quagga-0.99.9.changelog.txt
- http://www.redhat.com/support/errata/RHSA-2010-0785.html
- http://www.securityfocus.com/bid/25634(Patch)
- http://www.trustix.org/errata/2007/0028/
- http://www.ubuntu.com/usn/usn-512-1
- http://www.vupen.com/english/advisories/2007/3129(Vendor Advisory)
- http://www.vupen.com/english/advisories/2008/1195/references(Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36551
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain