| Package | Affected versions | Patched versions |
|---|---|---|
| x3270 | = 3.3.10= 3.3.11= 3.3.12= 3.3.5= 3.3.6= 3.3.7= 3.3.8= 3.3.9≤ 3.3.12 |
x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
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