PT-2026-34640 · Libgcrypt+2 · Libgcrypt+2

Published 2026-04-07 · Updated 2026-05-27 · CVE-2026-41989

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Libgcrypt versions prior to 1.12.2

Description A heap-based buffer overflow and denial of service can occur when processing crafted ECDH ciphertext through the gcry pk decrypt() function.

Recommendations Update to version 1.12.2 or later.

Fix

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2026-07879

CVE-2026-41989

ECHO-AFBA-F32F-E1D7

JLSEC-2026-496

OESA-2026-2345

OESA-2026-2346

OESA-2026-2347

OESA-2026-2348

RHSA-2026:8466

USN-8319-1

Affected Products

Libgcrypt

Linuxmint

Ubuntu

References · 29

• https://osv.dev/vulnerability/UBUNTU-CVE-2026-41989 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-41989 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-41989 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8319-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-41989 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-07879 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-41989 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8319-1 · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2026-496 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2346 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2347 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2345 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2026-41989 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-41989 · Security Note
• https://ubuntu.com/security/CVE-2026-41990 · Vendor Advisory