CVE-2026-41989 — MEDIUM (6.7)

Q: What is CVE-2026-41989?

CVE-2026-41989 is a vulnerability with a CVSS score of 6.7 (MEDIUM). Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

Q: How severe is CVE-2026-41989?

CVE-2026-41989 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-41989?

Check the references section above for vendor advisories and patch information. Affected products include: Gnupg Libgcrypt.

Vulnerability Description

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

CVSS Score

6.7

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gnupg	Libgcrypt	>= 1.8.8, < 1.10.4

Related Weaknesses (CWE)

CWE-787

References

https://dev.gnupg.org/T8211Broken Link
https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.htmlThird Party Advisory
https://www.openwall.com/lists/oss-security/2026/04/21/1Third Party Advisory

FAQ

What is CVE-2026-41989?

CVE-2026-41989 is a vulnerability with a CVSS score of 6.7 (MEDIUM). Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

How severe is CVE-2026-41989?

CVE-2026-41989 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-41989?

Check the references section above for vendor advisories and patch information. Affected products include: Gnupg Libgcrypt.