CVE-2009-0050
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify...
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
Exploit likelihood
What each source reports
NVD Score used
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
CVE-2009-0050- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
CVE-2009-0050- Updated
- 2026-11-02
EUVDEUVD-2009-0059 No score
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
EUVD-2009-0059- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7ccf-7vx8-76vm No score
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify...
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
GHSA-7ccf-7vx8-76vm- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV No score
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
CVE-2009-0050- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-0050 No score
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
DEBIAN-CVE-2009-0050- Updated
- 2026-11-02
Affected products
Affected packages
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-2009-0050 is a medium vulnerability (CVSS 4.3) in Entrouvert Lasso, published January 7, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. Fixed in lasso 2.2.1-2.