Is CVE-2009-1632 actively exploited?

CVE-2009-1632 has no public evidence of in-the-wild exploitation as of 2025-04-09.

What is the CVSS score for CVE-2009-1632?

CVE-2009-1632 has a CVSS score of 5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P.

How do I patch CVE-2009-1632?

Patch guidance is available from ipsec-tools security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2009-1632.

CVE-2009-1632 - remediation guidance & executive summary

Q: Which products are affected by CVE-2009-1632?

35 products: ipsec-tools ipsec-tools, ipsec-tools ipsec-tools, ipsec-tools ipsec-tools, ipsec-tools ipsec-tools, ipsec-tools ipsec-tools, and 30 more.

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.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: none
Integrity: none
Availability: partial
Weaknesses: CWE-399

Metadata

Primary Vendor: IPSEC-TOOLS
Published: 5/14/2009
Last Modified: 4/9/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

ipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-toolsipsec-tools : ipsec-tools

Remediation Guidance

Executive Summary

View on NIST NVD