CVE catalog
CVE-2009-1632
ipsec-tools - denial of service
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.02% · Oct 25, 2026
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. ipsec-tools: multiple memory leaks fixed in 0.7.2 The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ipsec-tools | 4.0 | 1:0.6.6-3.1 | vulnerable |
| Debian | ipsec-tools | 4.0 | 1:0.6.6-3.1etch1 | vulnerable |
| Debian | ipsec-tools | 4.0 | 1:0.6.6-3.1etch3 | fixed |
| Debian | ipsec-tools | 5.0 | 1:0.7.1-1.3 | vulnerable |
| Debian | ipsec-tools | 5.0 | 1:0.7.1-1.3+lenny2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ipsec-tools | deb | 4.0 | 1:0.6.6-3.1etch3 | Not reported | DSA-1804-1 | Not reported |
| Debian | ipsec-tools | deb | 5.0 | 1:0.7.1-1.3+lenny2 | Not reported | DSA-1804-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: