CVE-2024-49395

Mutt: neomutt: bcc email header field is indirectly leaked by cryptographic info block

State: Published
Severity: 5.3 Medium
Published: Nov 12, 2024
Updated: Jun 26, 2026
Reserved: Oct 14, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	redhat

Weaknesses

CWE-1230 Exposure of Sensitive Information Through Metadata

Affected Products

Product	Versions
mutt
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 9Red Hat

References

https://access.redhat.com/security/cve/CVE-2024-49395vdb-entry
RHBZ#2325332issue-tracking
https://github.com/neomutt/neomutt/issues/4223#issuecomment-2040209956
https://github.com/neomutt/neomutt/pull/4221
https://github.com/neomutt/neomutt/pull/4227

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