CVE-2007-4826
bgpd in Quagga before 0.99.9 allows explicitly configured BGP peers to cause a denial of service ...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-4826- CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-4826- Updated
- 2026-11-02
EUVDEUVD-2007-4807 No score
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.
- Record
EUVD-2007-4807- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rqhh-9m59-r644 No score
bgpd in Quagga before 0.99.9 allows explicitly configured BGP peers to cause a denial of service ...
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.
- Record
GHSA-rqhh-9m59-r644- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2007-4826- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
quaggaDebian:4.0 |
before 0.99.5-5etch3, plus listed versions 0.99.5-5etch10.99.5-5etch2 |
0.99.5-5etch3 |
quaggaDebian:3.1 |
before 0.98.3-7.5, plus listed versions 0.98.3-70.98.3-7.10.98.3-7.20.98.3-7.30.98.3-7.4 |
0.98.3-7.5 |
quaggaRed Hat:enterprise_linux:4::as From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-contribRed Hat:enterprise_linux:4::as From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-develRed Hat:enterprise_linux:4::as From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quaggaRed Hat:enterprise_linux:4::desktop From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-contribRed Hat:enterprise_linux:4::desktop From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-develRed Hat:enterprise_linux:4::desktop From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
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| Package | Affected | Fixed |
|---|---|---|
quaggaRed Hat:enterprise_linux:4::es From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-contribRed Hat:enterprise_linux:4::es From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-develRed Hat:enterprise_linux:4::es From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quaggaRed Hat:enterprise_linux:4::ws From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-contribRed Hat:enterprise_linux:4::ws From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quagga-develRed Hat:enterprise_linux:4::ws From an advisory covering 2 CVEs |
before 0:0.98.3-4.el4_8.1 | 0:0.98.3-4.el4_8.1 |
quaggaRed Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quagga-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quagga-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quaggaRed Hat:enterprise_linux:5::client From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quagga-contribRed Hat:enterprise_linux:5::client From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quagga-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quaggaRed Hat:enterprise_linux:5::server From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quagga-contribRed Hat:enterprise_linux:5::server From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quagga-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
quagga-develRed Hat:enterprise_linux:5::server From an advisory covering 2 CVEs |
before 0:0.98.6-5.el5_5.2 | 0:0.98.6-5.el5_5.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| affected, aliases, facts, references, title | GitHub Advisories, OSV | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-4826 is a low vulnerability (CVSS 3.5) in Quagga, published September 12, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. Fixed in quagga 0.99.5-5etch3.
References
exchange.xforce.ibmcloud.com/vulnerabilities/36551
quagga.net/news2.php?y=2007&m=9&d=7
quagga.net/download/quagga-0.99.9.changelog.txt
vupen.com/english/advisories/2008/1195/references
secunia.com/advisories/26744
sunsolve.sun.com/search/document.do?assetkey=1-26-236141-1
Show 25 moreShow less
trustix.org/errata/2007/0028
fedoranews.org/updates/FEDORA-2007-219.shtml
redhat.com/support/errata/RHSA-2010-0785.html
ubuntu.com/usn/usn-512-1
mandriva.com/security/advisories?name=MDKSA-2007:182
debian.org/security/2007/dsa-1382
securityfocus.com/bid/25634
lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00153.html
nvd.nist.gov/vuln/detail/CVE-2007-4826
github.com/advisories/GHSA-rqhh-9m59-r644
access.redhat.com/errata/RHSA-2010:0785
bugzilla.redhat.com/show_bug.cgi?id=285691
security.access.redhat.com/data/csaf/v2/advisories/2010/rhsa-2010_0785.json
cve.org/CVERecord?id=CVE-2007-4826