The IO::Socket::SSL module 1.35 for Perl, when verify_mode is not VERIFY_NONE, fails open…
Priority LOW 22CWE-310Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The IO::Socket::SSL module 1.35 for Perl, when verify_mode is not VERIFY_NONE, fails open to VERIFY_NONE instead of throwing an error when a ca_file/ca_path cannot be verified, which allows remote attackers to bypass intended certificate restrictions.
Why it matters now
EPSS 0.01777 78th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.35:*:*:*:*:*:*:* | 1.35 | Vulnerable | Io-socket-ssl |
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.35:*:*:*:*:*:*:* Versions 1.35 Vulnerable ·Io-socket-ssl
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2010-4334
- 2026-10-03 Alias added: GHSA-rgc7-283p-45vh
References
More Io-socket-ssl vulnerabilities
- TI-2009-02881 The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2010-4334 · CVE Program
- CVE-2010-4334 · NVD
- FIRST EPSS
- GHSA-rgc7-283p-45vh · GitHub Advisory Database · CC BY 4.0
- CVE-2010-4334 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences