CVE-2009-5009
Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-5009- 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
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.
- Record
CVE-2009-5009- Updated
- 2026-11-02
EUVDEUVD-2009-4971 No score
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.
- Record
EUVD-2009-4971- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ggcw-fq74-j5hg No score
Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN...
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.
- Record
GHSA-ggcw-fq74-j5hg- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2009-5009- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-5009 No score
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.
- Record
DEBIAN-CVE-2009-5009- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openconnectDebian:12 |
before 1.40-1 | 1.40-1 |
openconnectDebian:13 |
before 1.40-1 | 1.40-1 |
openconnectDebian:14 |
before 1.40-1 | 1.40-1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-5009 is a medium vulnerability (CVSS 5.0) in Infradead Openconnect, published October 12, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. Fixed in openconnect 1.40-1.