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

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.

Classification

CVE ID: CVE-2024-49395

Problem Types

Exposure of Sensitive Information Through Metadata

Affected Products

Vendor: , Red Hat

Product: , Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 14.04% (scored less or equal to compared to others)

EPSS Date: 2025-07-13 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: true

References

https://nvd.nist.gov/vuln/detail/CVE-2024-49395
https://access.redhat.com/security/cve/CVE-2024-49395
https://bugzilla.redhat.com/show_bug.cgi?id=2325332

Timeline