CVE-2012-0255

The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers...

5.0 Medium

The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability).

Exploit likelihood

3.45%Up 2.1 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2012-0255
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-0255
Updated: 2026-11-02

EUVDEUVD-2012-0291 No score

Record: EUVD-2012-0291
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6f58-2f4p-jjcw No score

The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers...

Record: GHSA-6f58-2f4p-jjcw
Weakness: CWE-119
Updated: 2026-11-02

Affected products

quagga

Affected packages

Affected packages
Package	Affected	Fixed
`quagga` Debian:6.0 From an advisory covering 3 CVEs	before 0.99.20.1-0+squeeze1, plus listed versions 0.99.17-20.99.17-2+squeeze20.99.17-2+squeeze30.99.17-30.99.17-4 Show 8 moreShow less 0.99.18-10.99.18-20.99.19-10.99.20-10.99.20-1~bpo60+10.99.20-20.99.20-30.99.20-4	0.99.20.1-0+squeeze1
`quagga` Red Hat:enterprise_linux:6::server From an advisory covering 9 CVEs	before 0:0.99.15-7.el6_3.2	0:0.99.15-7.el6_3.2
`quagga-debuginfo` Red Hat:enterprise_linux:6::server From an advisory covering 9 CVEs	before 0:0.99.15-7.el6_3.2	0:0.99.15-7.el6_3.2
`quagga-contrib` Red Hat:enterprise_linux:6::server From an advisory covering 9 CVEs	before 0:0.99.15-7.el6_3.2	0:0.99.15-7.el6_3.2
`quagga-devel` Red Hat:enterprise_linux:6::server From an advisory covering 9 CVEs	before 0:0.99.15-7.el6_3.2	0:0.99.15-7.el6_3.2
`quagga` Red Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs	before 0:0.99.15-7.el6_3.2	0:0.99.15-7.el6_3.2
`quagga-debuginfo` Red Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs	before 0:0.99.15-7.el6_3.2	0:0.99.15-7.el6_3.2
`quagga-contrib` Red Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs	before 0:0.99.15-7.el6_3.2	0:0.99.15-7.el6_3.2
`quagga-devel` Red Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs	before 0:0.99.15-7.el6_3.2	0:0.99.15-7.el6_3.2

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-0255 is a medium vulnerability (CVSS 5.0) in Quagga, published April 5, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.45%, the 89th percentile. No source names a fixed version.

References

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