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.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 12-11-2024PublishedVulnerability first disclosed.
- 26-06-2026Last 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 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:NSources4 sources · 5.9–6.5
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
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 score0.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- muttna
Neomutt1 product
- neomuttna
Redhat1 product
- enterprise_linux8.0 | 9.0
5 vendors · 7 products
References
12 links- bugzilla.redhat.com/show_bug.cgi?id=2325317Issue TrackingX Refsource REDHATREPORTThird Party Advisory
- mutt.org/doc/manual/REPORT