CVE-2021-3345 - CVE House
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Status published High CVE-2021-3345

_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based...

Vulnerability Description

_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

libgcrypt, communications billing and revenue management
Vulnerable Versions:
1.9.0, 12.0.0.3.0

Timeline

Official Publish: January 29th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.