VULNERABILITY INTELLIGENCE
CVE-2021-3345
CVSS score7.8 HIGH
EPSS probability1.06%
CISA KEVNot currently listed
Published2021-01-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- cve@mitre.org — Issue Tracking, Vendor Advisory
- cve@mitre.org
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Mailing List, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory