quagga bgpd DoS
Published Sep 12, 2007
3.5
LOWCVSS 2.0
EPSS 1.69%
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.
Affected products
No data.
- ≤ 0.99.8
- 0.95
- 0.96
- 0.96.1
- 0.96.2
- 0.96.3
- 0.96.4
- 0.96.5
- 0.97.0
- 0.97.1
- 0.97.2
- 0.97.3
- 0.97.4
- 0.97.5
- 0.98.0
- 0.98.1
- 0.98.2
- 0.98.3
- 0.98.4
- 0.98.5
- 0.98.6
- 0.99.1
- 0.99.2
- 0.99.3
- 0.99.4
- 0.99.5
- 0.99.6
- 0.99.7
No data.
Red Hat Enterprise Linux 4
quagga-0:0.98.3-4.el4_8.1
Fixed · RHSA-2010:0785
Red Hat Enterprise Linux 5
quagga-0:0.98.6-5.el5_5.2
Fixed · RHSA-2010:0785
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | quagga-0:0.98.3-4.el4_8.1 | Fixed | RHSA-2010:0785 |
| Red Hat Enterprise Linux 5 | quagga-0:0.98.6-5.el5_5.2 | Fixed | RHSA-2010:0785 |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=285691 The Red Hat Product Security has rated this issue as having low security impact, a future update may address this flaw.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.69% (0.01687) | 76.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.69% (0.01687) | 73.97th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.26% (0.01262) | 77.58th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.52% (0.02520) | 75.64th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.91% (0.00914) | 74.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.83% (0.00827) | 82.66th | v3 (v2023.03.01) |
| Jul 16, 2024 | 0.79% (0.00786) | 81.63th | v3 (v2023.03.01) |
| Jun 8, 2024 | 0.62% (0.00620) | 78.88th | v3 (v2023.03.01) |
| May 1, 2024 | 0.48% (0.00483) | 75.67th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00391) | 72.61th | v3 (v2023.03.01) |
| Sep 18, 2023 | 0.39% (0.00391) | 70.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00302) | 64.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
No CWE recorded.
References (23)
- http://fedoranews.org/updates/FEDORA-2007-219.shtml vendor-advisoryx_refsource_FEDORA
- http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00153.html mailing-listx_refsource_MLIST
- http://quagga.net/news2.php?y=2007&m=9&d=7#id1189190760 x_refsource_CONFIRMPatch
- http://secunia.com/advisories/26744 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/26829 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/26863 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27049 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/29743 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-236141-1 vendor-advisoryx_refsource_SUNALERT
- http://www.debian.org/security/2007/dsa-1382 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:182 vendor-advisoryx_refsource_MANDRIVA
- http://www.quagga.net/download/quagga-0.99.9.changelog.txt x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2010-0785.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/25634 vdb-entryx_refsource_BIDPatch
- http://www.trustix.org/errata/2007/0028/ vendor-advisoryx_refsource_TRUSTIX
- http://www.ubuntu.com/usn/usn-512-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2007/3129 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2008/1195/references vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2007-4826 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=285691 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36551 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-4826
- https://www.cve.org/CVERecord?id=CVE-2007-4826
Change history (0)
No recorded changes yet.