CVE-2009-5009

Name: CVE-2009-5009
Creator: NVD / NIST
Published: 2010-10-14T05:52:19.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.98%

Last modified Jun 16, 2026

CVE-2009-5009 is a vulnerability of currently unknown severity. Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.. EPSS estimates a 0.98% chance of exploitation in the next 30 days.

Description

Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.

Metrics

EPSS Probability

0.98%

57.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Infradead	Openconnect	<= 1.30
Infradead	Openconnect	1.00
Infradead	Openconnect	1.10
Infradead	Openconnect	1.20

References

Timeline

Published: Oct 14, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-5009?

How severe is CVE-2009-5009?

Severity scoring for CVE-2009-5009 is pending analysis. The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.

How do I fix CVE-2009-5009?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-5009?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST