6.5

CVE-2024-49393: mutt

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-49393DEBIAN-CVE-2024-49393
Published 12-11-2024Last modified 26-06-2026

Vulnerability summary

CVE-2024-49393 is a medium (CVSS 6.5) vulnerability in mutt. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.3% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2

Timeline

  1. 12-11-2024
    PublishedVulnerability first disclosed.
  2. 26-06-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

0.00 pp

From 0.33% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • muttAll versions (No fix recorded)
  • neomuttAll versions (No fix recorded) | < 20241002+dfsg-1
Ubuntu2 products
  • muttAll versions (No fix recorded)
  • neomuttAll versions (No fix recorded) | < 20191207+dfsg.1-1.1ubuntu0.1~esm1 | < 20211029+dfsg1-1ubuntu0.1~esm1 | < 20231103+dfsg1-1ubuntu0.1~esm1
Mutt1 product
Neomutt1 product
Redhat1 product

5 vendors · 7 products

References

12 links
Show all 12 references