CVE-2026-43863

low Red Hat
CVSS v3 Base Score
3.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.0%
Exploitation probability in 30 days
Top 86% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Published: May 4, 2026 (67 days ago)
Last Modified: May 4, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in mutt, an email client. A remote attacker could exploit this vulnerability by sending specially crafted input, which would trigger an infinite loop in the `data_object_to_stream` function. This issue, located in the `crypt-gpgme.c` component, can lead to a Denial of Service (DoS), causing the application to become unresponsive.

CWE

CWE-835

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com