quagga: DoS (crash) by processing malformed extended community attribute in a route
Published Mar 29, 2011
5.0
MEDIUMCVSS 2.0
EPSS 13.43%
Description
The extended-community parser in bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed Extended Communities attribute.
Affected products
No data.
- ≤ 0.99.17
- 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
- 0.99.8
- 0.99.9
- 0.99.10
- 0.99.11
- 0.99.12
- 0.99.13
- 0.99.14
- 0.99.15
- 0.99.16
No data.
Red Hat Enterprise Linux 5
quagga-0:0.98.6-7.el5_8.1
Fixed · RHSA-2012:1258
Red Hat Enterprise Linux 6
quagga-0:0.99.15-5.el6_0.2
Fixed · RHSA-2011:0406
Red Hat Enterprise Linux 4
quagga
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | quagga-0:0.98.6-7.el5_8.1 | Fixed | RHSA-2012:1258 |
| Red Hat Enterprise Linux 6 | quagga-0:0.99.15-5.el6_0.2 | Fixed | RHSA-2011:0406 |
| Red Hat Enterprise Linux 4 | quagga | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Vulnerable. This issue affects quagga packages in Red Hat Enterprise Linux 4 and 5. The Red Hat Security Response Team 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: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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.43% (0.13426) | 96.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.43% (0.13426) | 95.93th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.78% (0.03779) | 86.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.22% (0.05217) | 82.87th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.78% (0.03779) | 87.27th | v4 (v2025.03.14) |
| Dec 17, 2024 | 18.79% (0.18785) | 96.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.88% (0.16880) | 95.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
No CWE recorded.
References (18)
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2012-1258.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/43499 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43770 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/48106 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201202-02.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2011/dsa-2197 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:058 vendor-advisoryx_refsource_MANDRIVA
- http://www.osvdb.org/71259 vdb-entryx_refsource_OSVDB
- http://www.quagga.net/news2.php?y=2011&m=3&d=21#id1300723200 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/46942 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2011/0711 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2010-1674 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=654603 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66211 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2010-1674
- https://www.cve.org/CVERecord?id=CVE-2010-1674
Change history (0)
No recorded changes yet.