CVE catalog
CVE-2013-4073
ruby1.9.1 - several
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.76% · Oct 25, 2026
The OpenSSL::SSL.verify_certificate_identity function in lib/openssl/ssl.rb in Ruby 1.8 before 1.8.7-p374, 1.9 before 1.9.3-p448, and 2.0 before 2.0.0-p247 does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408. ruby: hostname check bypassing vulnerability in SSL client The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ruby1.9.1 | 6.0 | 1.9.2.0-2 | vulnerable |
| Debian | ruby1.9.1 | 6.0 | 1.9.2.0-2+armhf | vulnerable |
| Debian | ruby1.9.1 | 6.0 | 1.9.2.0-2+deb6u1 | fixed |
| Debian | ruby1.9.1 | 7 | 1.9.3.194-8.1 | vulnerable |
| Debian | ruby1.9.1 | 7 | 1.9.3.194-8.1+deb7u1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ruby1.9.1 | deb | 6.0 | 1.9.2.0-2+deb6u1 | Not reported | DSA-2738-1 | Not reported |
| Debian | ruby1.9.1 | deb | 7 | 1.9.3.194-8.1+deb7u1 | Not reported | DSA-2738-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: