National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2007-4826 Detail

Current Description

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.

Source:  MITRE      Last Modified:  09/12/2007      View Analysis Description

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
3.5 LOW
(AV:N/AC:M/Au:S/C:N/I:N/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/18/2007)

Red Hat is aware of this issue and is tracking it via the following bug: The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to

Hyperlink Resource Type Source Name External Source FEDORA FEDORA-2007-2196 External Source MLIST [debian-security-announce] 20071003 [SECURITY] [DSA 1379-1] New quagga packages fix denial of service Patch External Source CONFIRM External Source SUNALERT 236141 External Source DEBIAN DSA-1382 External Source MANDRIVA MDKSA-2007:182 External Source CONFIRM External Source REDHAT RHSA-2010:0785 Patch External Source BID 25634 External Source TRUSTIX 2007-0028 External Source UBUNTU USN-512-1 Vendor Advisory External Source VUPEN ADV-2007-3129 Vendor Advisory External Source VUPEN ADV-2008-1195 External Source XF quagga-bgpd-dos(36551)

Technical Details

Vulnerability Type (View All)

Change History 3 change records found - show changes