CVE-2009-3024
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO:...
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.
Exploit likelihood
What each source reports
NVD Score used
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.
- Record
CVE-2009-3024- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-310
- Updated
- 2026-11-02
CVE List No score
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.
- Record
CVE-2009-3024- Updated
- 2026-11-02
EUVDEUVD-2009-3008 No score
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.
- Record
EUVD-2009-3008- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5v53-7q2j-vjr2 No score
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO:...
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.
- Record
GHSA-5v53-7q2j-vjr2- Updated
- 2026-11-02
OSV No score
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.
- Record
CVE-2009-3024- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-3024 No score
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.
- Record
DEBIAN-CVE-2009-3024- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libio-socket-ssl-perlDebian:12 |
before 1.30-1 | 1.30-1 |
libio-socket-ssl-perlDebian:13 |
before 1.30-1 | 1.30-1 |
libio-socket-ssl-perlDebian:14 |
before 1.30-1 | 1.30-1 |
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-2009-3024 is a medium vulnerability (CVSS 4.3) in Io-socket-ssl, published August 31, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 62nd percentile. Fixed in libio-socket-ssl-perl 1.30-1.