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.
Published: 2026-04-23
Score: 6.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service and heap‑based buffer overflow
Action: Apply Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 25 Apr 2026 12:15:00 +0000

Type Values Removed Values Added
Title Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext
Weaknesses CWE-131
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 23 Apr 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 23 Apr 2026 05:00:00 +0000

Type Values Removed Values Added
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.
First Time appeared Gnupg
Gnupg libgcrypt
Weaknesses CWE-787
CPEs cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*
Vendors & Products Gnupg
Gnupg libgcrypt
References
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-23T16:22:47.896Z

Reserved: 2026-04-23T04:30:25.690Z

Link: CVE-2026-41989

cve-icon Vulnrichment

Updated: 2026-04-23T16:08:09.258Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-23T05:16:05.750

Modified: 2026-04-27T18:33:18.157

Link: CVE-2026-41989

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-04-23T04:30:26Z

Links: CVE-2026-41989 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-04-28T07:45:26Z

Weaknesses