CVE-2026-41989

medium Red Hat
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0%
Exploitation probability in 30 days
Top 99% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: April 23, 2026 (78 days ago)
Last Modified: April 23, 2026
Vendor: Red Hat
Fix Available: ✓ Yes
Source: REDHAT

Description

A flaw was found in Libgcrypt. A remote attacker could exploit this vulnerability by sending crafted Elliptic Curve Diffie-Hellman (ECDH) ciphertext to the `gcry_pk_decrypt` function. This can lead to a heap-based buffer overflow, potentially causing a denial of service (DoS) condition.

CWE

CWE-131

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9Red Hat OpenShift Container Platform 4Red Hat Hardened Images

Fix Status

✅ Fix Available

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 dev.gnupg.org 🔗 lists.gnupg.org