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Vendor Risk Score

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Severity
5.3
EPSS
0.03%
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.

1 / 2
Source: MITRE
First published (updated )
Severity
1

In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.

First published (updated )
Severity
5.3
EPSS
0.03%
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an unencrypted but signed email message to impersonate the original sender.

1 / 2
Source: Red Hat
First published (updated )
Severity
1

In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an unencrypted but signed email message to impersonate the original sender.

First published (updated )
Severity
7.4
EPSS
0.02%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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.

1 / 2
Source: Red Hat
First published (updated )
Severity
4

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.

First published (updated )
Severity
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Last updated 16 January 2025

1 / 2
Source: Ubuntu
First published (updated )
Severity
5.3
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Last updated 16 January 2025

1 / 2
Source: Ubuntu
First published (updated )
Severity
5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Last updated 25 August 2025

1 / 2
Source: Ubuntu
First published (updated )
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. They have a buffer overflow via base64 data.

1 / 2
Source: Launchpad
First published (updated )
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/message.c has a stack-based buffer overflow for a FETCH response with a long RFC822.SIZE field.

1 / 2
Source: Launchpad
First published (updated )
Severity
9.8
Buffer Overflow, Path Traversal
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A flaw was found in mutt before 1.10.1. There is a path traversal flaw for UID values in POP bcache directory.

References:

http://www.mutt.org/news.html https://gitlab.com/muttmua/mutt/blob/master/ChangeLog

1 / 3
Source: Red Hat
First published (updated )
Severity
9.8
Integer Underflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imapquotestring in imap/util.c has an integer underflow.

1 / 2
Source: Launchpad
First published (updated )
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imapquotestring in imap/util.c does not leave room for quote characters, leading to a stack-based buffer overflow.

1 / 2
First published (updated )
Severity
9.8
Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/command.c mishandles a long IMAP status mailbox literal count size.

1 / 2
First published (updated )
Severity
5.3
Path Traversal
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/util.c mishandles ".." directory traversal in a mailbox name.

1 / 2
Source: Launchpad
First published (updated )
Severity
9.8
OS Command Injection
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. They allow remote IMAP servers to execute arbitrary commands via backquote characters, related to the mailboxes command associated with an automatic subscription.

1 / 3
Source: Launchpad
First published (updated )
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in NeoMutt before 2018-07-16. nntpaddgroup in newsrc.c has a stack-based buffer overflow because of incorrect sscanf usage.

1 / 2
First published (updated )
Severity
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. pop.c mishandles a zero-length UID.

1 / 2
Source: Launchpad
First published (updated )
Severity
7.5
Path Traversal
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

An issue was discovered in NeoMutt before 2018-07-16. newsrc.c does not properly restrict '/' characters that may have unsafe interaction with cache pathnames.

1 / 2
First published (updated )
Severity
9.8
Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in NeoMutt before 2018-07-16. nntp.c proceeds even if memory allocation fails for messages data.

1 / 2
First published (updated )
Severity
9.8
OS Command Injection, Code Injection
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A flaw was found in mutt before 1.10.1. When "subscribing" to an IMAP mailbox, either via $imapchecksubscribed, or via the <subscribe> function in the browser menu, the lack of proper input parsing may lead to remote code injection from a malicous IMAP server.

Upstream patch:

References:

http://www.mutt.org/news.html https://gitlab.com/muttmua/mutt/blob/master/ChangeLog

1 / 3
Source: Red Hat
First published (updated )
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/message.c has a stack-based buffer overflow for a FETCH response with a long INTERNALDATE field.

1 / 2
First published (updated )
Severity
9.8
Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/command.c mishandles a NO response without a message.

1 / 2
First published (updated )

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