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CVE-2009-1632

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of...

5.0 Medium

CVE-2009-1632 is a medium vulnerability (CVSS 5.0) in Ipsec-tools, published May 14, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.02%, the 81st percentile. No source names a fixed version.

What does this mean?
Severity
5.0 MediumCVSS 2.0, NVD
Exploit chance
2.02%EPSS, 81st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

Exploit likelihood

2.02%Down 2.3 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ipsec-tools
Debian:4.0
From an advisory covering 2 CVEs
before 1:0.6.6-3.1etch3, plus listed versions
1:0.6.6-3.11:0.6.6-3.1etch1
1:0.6.6-3.1etch3
ipsec-tools
Debian:5.0
From an advisory covering 2 CVEs
before 1:0.7.1-1.3+lenny2, plus listed versions
1:0.7.1-1.3
1:0.7.1-1.3+lenny2
ipsec-tools
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:0.6.5-13.el5_3.1
0:0.6.5-13.el5_3.1
ipsec-tools-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:0.6.5-13.el5_3.1
0:0.6.5-13.el5_3.1
ipsec-tools
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:0.6.5-13.el5_3.1
0:0.6.5-13.el5_3.1
ipsec-tools-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:0.6.5-13.el5_3.1
0:0.6.5-13.el5_3.1

What each source reports

NVD Score used5.0

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

Record
CVE-2009-1632
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE ListNo score

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

Record
CVE-2009-1632
Updated
2026-11-02
EUVDEUVD-2009-1627No score

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

Record
EUVD-2009-1627
Updated
2026-11-03
GitHub AdvisoriesGHSA-r3x2-g3qw-mvq3No score

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of...

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

Record
GHSA-r3x2-g3qw-mvq3
Updated
2026-11-02

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

References

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