What is CVE-2005-2351?

CVE-2005-2351 is a medium-severity vulnerability in Mutt, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.5/10. Published 2019-11-01.

How severe is CVE-2005-2351?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Mutt

CVE-2005-2351

Mutt before 1.5.20 patch 7 allows an attacker to cause a denial of service via a series of requests to mutt temporary files.

Published 2019-11-01 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (27.2th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Mutt — versions before 1.5.20-7
Debian Linux — versions 8.0, 9.0, 10.0

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

security-tracker.debian.org/tracker/CVE-2005-2351 (Third Party Advisory)
bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2005-2351?: CVE-2005-2351 is a medium-severity vulnerability in Mutt, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.5/10. Published 2019-11-01.
How severe is CVE-2005-2351?: Medium severity. CVSS v3 base score is 5.5 out of 10.