| Package | Affected versions | Patched versions |
|---|---|---|
| claws-mail | ≤ 3.9.3 |
plugins/rssyl/feed.c in Claws Mail before 3.10.0 disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.
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