Gentoo Linux Security Advisory 202007-57 - Multiple vulnerabilities have been found in Mutt and Neomutt, the worst of which could result in an access restriction bypass. Versions less than 1.14.4 are affected.
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Debian Linux Security Advisory 4707-1 - Damian Poddebniak and Fabian Ising discovered two security issues in the STARTTLS handling of the Mutt mail client, which could enable MITM attacks.
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Debian Linux Security Advisory 4708-1 - Damian Poddebniak and Fabian Ising discovered two security issues in the STARTTLS handling of the Neomutt mail client, which could enable MITM attacks.
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Ubuntu Security Notice 4401-1 - It was discovered that Mutt incorrectly handled certain requests. An attacker could possibly use this issue to enable MITM attacks. It was discovered that Mutt incorrectly handled certain requests. An attacker could possibly use this issue to proceeds with a connection even if the user rejects an expired intermediate certificate. Various other issues were also addressed.
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