CVE-2023-4875
mutt: null pointer dereference
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 9, 2023
Updated · July 24, 2026
Description
A null pointer dereference flaw was found in mutt when handling specially crafted characters. This issue could allow an attacker to send a specially crafted email that causes the email client to crash when reading or processing the email.
Statement
This is a local client crash caused by a specially crafted email. No code execution is expected. This flaw has been rated as having moderate security impact.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference