CVE-2007-1841

The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7...

4.3 MediumFix available

The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7 allows remote attackers to cause a denial of service (tunnel crash) via crafted (1) DELETE (ISAKMP_NPTYPE_D) and (2) NOTIFY (ISAKMP_NPTYPE_N) messages.

Exploit likelihood

2.85%Down 1.5 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2007-1841
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-1841
Updated: 2026-11-02

EUVDEUVD-2007-1835 No score

Record: EUVD-2007-1835
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3c6r-mxqj-c794 No score

The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7...

Record: GHSA-3c6r-mxqj-c794
Updated: 2026-11-02

Affected products

ipsec-tools

Affected packages

Affected packages
Package	Affected	Fixed
`ipsec-tools` Debian:4.0	before 1:0.6.6-3.1etch1, plus listed versions 1:0.6.6-3.1	1:0.6.6-3.1etch1
`ipsec-tools` Debian:5.0	before 1:0.6.6-3.1lenny1	1:0.6.6-3.1lenny1
`ipsec-tools` Red Hat:enterprise_linux:5::client	before 0:0.6.5-8.el5	0:0.6.5-8.el5
`ipsec-tools-debuginfo` Red Hat:enterprise_linux:5::client	before 0:0.6.5-8.el5	0:0.6.5-8.el5
`ipsec-tools` Red Hat:enterprise_linux:5::server	before 0:0.6.5-8.el5	0:0.6.5-8.el5
`ipsec-tools-debuginfo` Red Hat:enterprise_linux:5::server	before 0:0.6.5-8.el5	0:0.6.5-8.el5

History

History
Recorded	Changed	Sources
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-2007-1841 is a medium vulnerability (CVSS 4.3) in Ipsec-tools, published April 10, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.85%, the 86th percentile. Fixed in ipsec-tools 1:0.6.6-3.1etch1.

References

Show 23 moreShow less