In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.
{
"binaries": [
{
"binary_version": "1.5.24-1ubuntu0.6+esm3",
"binary_name": "mutt"
},
{
"binary_version": "1.5.24-1ubuntu0.6+esm3",
"binary_name": "mutt-patched"
}
],
"priority_reason": "This is a longstanding limitation of PGP-encrypted mail and is an enhancement rather than an actual vulnerability."
}{
"binaries": [
{
"binary_version": "20191207+dfsg.1-1.1ubuntu0.1~esm1",
"binary_name": "neomutt"
}
],
"priority_reason": "This is a longstanding limitation of PGP-encrypted mail and is an enhancement rather than an actual vulnerability.",
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}{
"binaries": [
{
"binary_version": "20211029+dfsg1-1ubuntu0.1~esm1",
"binary_name": "neomutt"
}
],
"priority_reason": "This is a longstanding limitation of PGP-encrypted mail and is an enhancement rather than an actual vulnerability.",
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}{
"binaries": [
{
"binary_version": "20231103+dfsg1-1ubuntu0.1~esm1",
"binary_name": "neomutt"
}
],
"priority_reason": "This is a longstanding limitation of PGP-encrypted mail and is an enhancement rather than an actual vulnerability.",
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}