quagga: denial of service vulnerability in BGP routing daemon
Published May 23, 2016
7.5
HIGHCVSS 3.0
EPSS 4.64%
Description
The bgp_dump_routes_func function in bgpd/bgp_dump.c in Quagga does not perform size checks when dumping data, which might allow remote attackers to cause a denial of service (assertion failure and daemon crash) via a large BGP packet.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
quagga-0:0.99.15-14.el6
Fixed · RHSA-2017:0794
Red Hat Enterprise Linux 5
quagga
Will not fix
Red Hat Enterprise Linux 7
quagga
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | quagga-0:0.99.15-14.el6 | Fixed | RHSA-2017:0794 |
| Red Hat Enterprise Linux 5 | quagga | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | quagga | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/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 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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.64% (0.04642) | 91.44th | v5 (v2026.06.15) |
| Sep 22, 2026 | 4.64% (0.04642) | 91.31th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.25% (0.03245) | 87.76th | v5 (v2026.06.15) |
| Sep 6, 2026 | 4.64% (0.04642) | 91.11th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.25% (0.03245) | 87.49th | v5 (v2026.06.15) |
| Aug 30, 2026 | 4.64% (0.04642) | 91.06th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.25% (0.03245) | 87.42th | v5 (v2026.06.15) |
| Aug 24, 2026 | 4.64% (0.04642) | 91.01th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.25% (0.03245) | 87.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.55% (0.04554) | 90.34th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.15% (0.02151) | 82.73th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.29% (0.04286) | 81.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.80% (0.01796) | 81.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.56% (0.02558) | 90.60th | v3 (v2023.03.01) |
| Apr 26, 2023 | 2.56% (0.02558) | 88.62th | v3 (v2023.03.01) |
| Mar 14, 2023 | 2.41% (0.02406) | 88.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.15% (0.02155) | 87.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (14)
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00062.html vendor-advisoryx_refsource_SUSE
- http://openwall.com/lists/oss-security/2016/04/27/7
- http://rhn.redhat.com/errata/RHSA-2017-0794.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3654 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/04/27/7 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/88561 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035699 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-4049 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1331372 Issue Tracking
- https://lists.quagga.net/pipermail/quagga-dev/2016-February/014743.html mailing-listx_refsource_MLIST
- https://lists.quagga.net/pipermail/quagga-dev/2016-January/014699.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2016-4049
- https://security.gentoo.org/glsa/201701-48 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-4049
Change history (0)
No recorded changes yet.