CVE-2010-3308

Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 might...

6.5 Medium

Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 might allow remote authenticated gateways to execute arbitrary code or cause a denial of service via a long cisco_banner (aka server_banner) field.

Exploit likelihood

4.03%Down 2.2 points since Feb 4, 2022

What each source reports

NVD Score used 6.5

Record: CVE-2010-3308
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-94
Updated: 2026-11-02

CVE List No score

Record: CVE-2010-3308
Updated: 2026-11-02

EUVDEUVD-2010-3306 No score

Record: EUVD-2010-3306
Updated: 2026-11-03

GitHub AdvisoriesGHSA-j8v8-55qm-66h6 No score

Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 might...

Record: GHSA-j8v8-55qm-66h6
Weakness: CWE-94
Updated: 2026-11-02

Affected products

xelerance openswan

Affected packages

Affected packages
Package	Affected	Fixed
`openswan` Red Hat:enterprise_linux:6::client From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1
`openswan-debuginfo` Red Hat:enterprise_linux:6::client From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1
`openswan-doc` Red Hat:enterprise_linux:6::client From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1
`openswan` Red Hat:enterprise_linux:6::server From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1
`openswan-debuginfo` Red Hat:enterprise_linux:6::server From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1
`openswan-doc` Red Hat:enterprise_linux:6::server From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1
`openswan` Red Hat:enterprise_linux:6::workstation From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1
`openswan-debuginfo` Red Hat:enterprise_linux:6::workstation From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1
`openswan-doc` Red Hat:enterprise_linux:6::workstation From an advisory covering 4 CVEs	before 0:2.6.24-8.el6_0.1	0:2.6.24-8.el6_0.1

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-2010-3308 is a medium vulnerability (CVSS 6.5) in Xelerance Openswan, published October 5, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.03%, the 90th percentile. No source names a fixed version.

References

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