quagga: bgp crash when receiving bgp updates
Published Dec 14, 2013
4.3
MEDIUMCVSS 2.0
EPSS 2.25%
Description
The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
quagga
Not affected
Red Hat Enterprise Linux 6
quagga
Not affected
Red Hat Enterprise Linux 7
quagga
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | quagga | Not affected | n/a |
| Red Hat Enterprise Linux 6 | quagga | Not affected | n/a |
| Red Hat Enterprise Linux 7 | quagga | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of quagga as shipped with Red Hat Enterprise Linux 5 and 6.
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:N/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 4, 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 (11 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 2.25% (0.02245) | 82.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.25% (0.02245) | 80.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.47% (0.00469) | 62.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.77% (0.00766) | 81.90th | v3 (v2023.03.01) |
| May 3, 2024 | 0.77% (0.00766) | 81.08th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.77% (0.00766) | 79.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.72% (0.00720) | 77.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=730513 x_refsource_CONFIRM
- http://git.savannah.gnu.org/gitweb/?p=quagga.git%3Ba=commitdiff%3Bh=8794e8d229dc9fe29ea31424883433d4880ef408 x_refsource_MISC
- http://www.debian.org/security/2013/dsa-2803 vendor-advisoryx_refsource_DEBIAN
- https://access.redhat.com/security/cve/CVE-2013-6051 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1043370 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-6051
- https://www.cve.org/CVERecord?id=CVE-2013-6051
| Link | Providers | Tags |
|---|---|---|
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=730513 | x_refsource_CONFIRM | |
| http://git.savannah.gnu.org/gitweb/?p=quagga.git%3Ba=commitdiff%3Bh=8794e8d229dc9fe29ea31424883433d4880ef408 | x_refsource_MISC | |
| http://www.debian.org/security/2013/dsa-2803 | vendor-advisoryx_refsource_DEBIAN | |
| https://access.redhat.com/security/cve/CVE-2013-6051 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1043370 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-6051 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-6051 |
Change history (0)
No recorded changes yet.