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

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.

Published: 2024-11-12 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-49395 is rated Low Risk (26.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-49395

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.05% 0.24% +0.19%
2 2025-07-18 0.04% 0.05% +0.01%
3 2025-03-30 — 0.04% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-49395

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]

Weakness enumeration for CVE-2024-49395

OS Trackers for CVE-2024-49395

vendor priority summary link
debian unimportant CVE-2024-49395 unimportant priority: Debian including 2 source packages (mutt, neomutt), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 10. https://security-tracker.debian.org/tracker/CVE-2024-49395
redhat low — https://access.redhat.com/security/cve/CVE-2024-49395
suse medium CVE-2024-49395 severity moderate: SUSE including 3 source package names (mutt, mutt-doc, mutt-lang), 67 product×package rows across 29 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS, … (29 product lines)): Will Not Fix 67. https://www.suse.com/security/cve/CVE-2024-49395/
ubuntu low CVE-2024-49395 low priority: Ubuntu including 2 source packages (mutt, neomutt), 17 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): ignored 10, needs-triage 6, DNE 1. https://ubuntu.com/security/CVE-2024-49395

Affected software / configurations for CVE-2024-49395

Vendor Product Version Raw CPE
mutt mutt — cpe:2.3:a:mutt:mutt:-:*:*:*:*:*:*:*
neomutt neomutt — cpe:2.3:a:neomutt:neomutt:-:*:*:*:*:*:*:*
redhat enterprise_linux 8.0 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
redhat enterprise_linux 9.0 cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

References for CVE-2024-49395

cvelogic Threat Intelligence