| Package | Affected versions | Patched versions |
|---|---|---|
| libetpan | ≤ 1.9.4 | |
| mailcore2 | ≤ 0.6.3 |
LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection."
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