CVE-2009-0129
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify...
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow 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
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
CVE-2009-0129- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
CVE-2009-0129- Updated
- 2026-11-02
EUVDEUVD-2009-0138 No score
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
EUVD-2009-0138- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cvwp-gwp2-6xqh No score
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify...
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
GHSA-cvwp-gwp2-6xqh- Weakness
- CWE-287
- Updated
- 2026-11-02
OSV No score
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Record
CVE-2009-0129- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-0129 No score
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow 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-2009-0129- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libcrypt-openssl-dsa-perlDebian:12 |
before 0.13-4 | 0.13-4 |
libcrypt-openssl-dsa-perlDebian:13 |
before 0.13-4 | 0.13-4 |
libcrypt-openssl-dsa-perlDebian:14 |
before 0.13-4 | 0.13-4 |
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-2009-0129 is a medium vulnerability (CVSS 5.0) in Perl-openssl Libcrypt-openssl-dsa-perl, published January 15, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. Fixed in libcrypt-openssl-dsa-perl 0.13-4.