CVE-2026-43863: mutt before 2.3.2 has an infinite loop in data_object_to_stream in crypt-gpgme.c

Low severity · published May 4, 2026

CVE-2026-43863

mutt before 2.3.2 has an infinite loop in data_object_to_stream in crypt-gpgme.c

3.7

CVSS

0.2%

EPSS

On KEV

Description

mutt before 2.3.2 has an infinite loop in data_object_to_stream in crypt-gpgme.c.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack vector

Network

Complexity

High

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

Low

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 10% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

before 2.3.2 · source: vendor

Affected product

mutt

References