CVE-2026-43863 Details
Description
mutt before 2.3.2 has an infinite loop in data_object_to_stream in crypt-gpgme.c.
A denial-of-service vulnerability has been identified in Mutt versions prior to 2.3.2. The issue arises from an infinite loop in the function 'data_object_to_stream' within 'crypt-gpgme.c'. This loop occurs because the code does not properly handle a specific return value, leading to excessive processing and potentially causing the application to hang.
Users can upgrade to Mutt version 2.3.2 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed May 4, 2026CISA-ADP
Assessed May 4, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/muttmua/mutt/commit/fdc04a171777327218a1e78db504926c388b48c4 | [email protected] | Source CodeVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-253 | Incorrect Check of Function Return Value | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mutt | < 2.3.2 (semver) |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 4, 2026 | New CVE Received | [email protected] |