CVE-2009-1632
Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of...
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 80th percentile. Fixed in ipsec-tools 1:0.6.6-3.1etch3.
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
What each source reports
NVD Score used
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 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No 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-2009-1627 No 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-mvq3 No 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ipsec-toolsDebian:4.0 |
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-toolsDebian:5.0 |
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-toolsRed Hat:enterprise_linux:5::client |
before 0:0.6.5-13.el5_3.1 | 0:0.6.5-13.el5_3.1 |
ipsec-tools-debuginfoRed Hat:enterprise_linux:5::client |
before 0:0.6.5-13.el5_3.1 | 0:0.6.5-13.el5_3.1 |
ipsec-toolsRed Hat:enterprise_linux:5::server |
before 0:0.6.5-13.el5_3.1 | 0:0.6.5-13.el5_3.1 |
ipsec-tools-debuginfoRed Hat:enterprise_linux:5::server |
before 0:0.6.5-13.el5_3.1 | 0:0.6.5-13.el5_3.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
ubuntu.com/usn/USN-785-1
sourceforge.net/project/shownotes.php?group_id=74601&release_id=677611
secunia.com/advisories/35159
marc.info?l=oss-security&m=124101704828036&w=2
mandriva.com/security/advisories?name=MDVSA-2009:114
cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c
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oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10581
securityfocus.com/bid/34765
redhat.com/support/errata/RHSA-2009-1036.html
security.gentoo.org/glsa/glsa-200905-03.xml
openwall.com/lists/oss-security/2009/05/12/3
trac.ipsec-tools.net/ticket/303
lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
vupen.com/english/advisories/2009/3184
kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
debian.org/security/2009/dsa-1804
support.apple.com/kb/HT3937
nvd.nist.gov/vuln/detail/CVE-2009-1632
github.com/advisories/GHSA-r3x2-g3qw-mvq3
access.redhat.com/errata/RHSA-2009:1036
bugzilla.redhat.com/show_bug.cgi?id=497990
security.access.redhat.com/data/csaf/v2/advisories/2009/rhsa-2009_1036.json
cve.org/CVERecord?id=CVE-2009-1574