CVE-2024-49395: Mutt: neomutt: bcc email header field is indirectly leaked by cryptographic info block

Published Nov 11, 2024
·
Updated

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.

Affected Software

4 affected components
Mutt Mutt
neomutt neomutt
redhat Enterprise Linux=8.0
redhat Enterprise Linux=9.0

Event History

Nov 11, 2024
Data Sourced
via Red Hat·09:39 PM
DescriptionSeverityAffected Software
Nov 12, 2024
CVE Published
via MITRE·02:08 AM
Data Sourced
via MITRE·02:08 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-49395?

CVE-2024-49395 is classified as a moderate severity vulnerability due to the potential leakage of sensitive recipient information.

2

How do I fix CVE-2024-49395?

To mitigate CVE-2024-49395, ensure you are using a version of Mutt or NeoMutt that properly implements the --hidden-recipient mode for PGP encryption.

3

Which versions of Mutt and NeoMutt are affected by CVE-2024-49395?

CVE-2024-49395 affects all versions of Mutt and NeoMutt that do not use the --hidden-recipient mode for PGP encryption.

4

Is Red Hat Enterprise Linux affected by CVE-2024-49395?

Yes, Red Hat Enterprise Linux 8.0 and 9.0 are affected by CVE-2024-49395 if they use the vulnerable versions of Mutt or NeoMutt.

5

What impact does CVE-2024-49395 have on email confidentiality?

CVE-2024-49395 can compromise email confidentiality by leaking Bcc recipient information through the email headers.

Contact

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