mutt: Mutt before 1.14.4 and NeoMutt before 2020-06-19 have a STARTTLS buffering issue that affects IMAP, SMTP, and POP3
CVE-2020-14954 is fixed in 2 products on 1 platform, first by mutt 1.9.4-3ubuntu0.3, released June 21, 2020. It is not reported as exploited. Patch Radar priority: Routine.
Mutt before 1.14.4 and NeoMutt before 2020-06-19 have 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 man-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection."
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| mutt · Ubuntu 18.04.6 LTS (bionic) | 1.9.4-3ubuntu0.3 | mutt 1.9.4-3ubuntu0.3 | Jun 21, 2020 |
| mutt · Ubuntu 20.04 LTS (focal) | 1.13.2-1ubuntu0.2 | mutt 1.13.2-1ubuntu0.2 | Jun 21, 2020 |
| neomutt · Ubuntu 18.04.6 LTS (bionic) | 20171215+dfsg.1-1ubuntu0.1~esm1 | neomutt 20171215+dfsg.1-1ubuntu0.1~esm1 | Apr 14, 2022 |
| neomutt · Ubuntu 20.04 LTS (focal) | 20191207+dfsg.1-1.1ubuntu0.1~esm1 | neomutt 20191207+dfsg.1-1.1ubuntu0.1~esm1 | Nov 11, 2024 |
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