{"id":"CVE-2021-3345","details":"_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.","modified":"2026-04-11T12:36:33.587783Z","published":"2021-01-29T15:15:13.083Z","related":["openSUSE-SU-2024:10941-1"],"database_specific":{"unresolved_ranges":[{"cpe":"cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"12.0.0.3.0"}],"source":"CPE_FIELD"}]},"references":[{"type":"WEB","url":"https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=512c0c75276949f13b6373b5c04f7065af750b08"},{"type":"ADVISORY","url":"https://gnupg.org"},{"type":"ADVISORY","url":"https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html"},{"type":"ADVISORY","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"REPORT","url":"https://bugs.gentoo.org/show_bug.cgi?id=767814"},{"type":"FIX","url":"https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"git://git.gnupg.org/libgcrypt.git","events":[{"introduced":"0"},{"last_affected":"0dc49af9b5371c5e2f766b70c3bede2b10db9f7e"}],"database_specific":{"cpe":"cpe:2.3:a:gnupg:libgcrypt:1.9.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.9.0"}],"source":"CPE_FIELD"}}],"versions":["DEVEL-BRANCH-1-1","V-0-2-8","V0-0-0","V0-1-0","V0-2-0","V0-2-10","V0-2-15","V0-2-17","V0-2-18","V0-2-19","V0-2-6","V0-3-0","V0-3-1","V0-3-2","V0-3-3","V0-3-4","V0-3-5","V0-4-0","V0-4-1","V0-4-2","V0-4-3","V0-4-4","V0-4-5","V0-9-0","V0-9-1","V0-9-10","V0-9-11","V0-9-2","V0-9-3","V0-9-4","V0-9-5","V0-9-6","V0-9-7","V0-9-8","V0-9-9","V1-0-0","V1-0-1","V1-0-1-ePit-1","V1-0-2","V1-0-3","V1-0-4","V1-1-0","V1-1-10","V1-1-11","V1-1-12","V1-1-2","V1-1-3","V1-1-4","V1-1-42","V1-1-43","V1-1-44","V1-1-5","V1-1-6","V1-1-7","V1-1-8","V1-1-9","V1-1-90","V1-1-91","V1-1-92","V1-1-93","V1-1-94","V1-2-0","V1-2-1","ecc-integration-done","last-gpl-version","libgcrypt-1.3.0","libgcrypt-1.3.1","libgcrypt-1.3.2","libgcrypt-1.4.0","libgcrypt-1.4.1","libgcrypt-1.4.1rc1","libgcrypt-1.4.2","libgcrypt-1.4.2rc1","libgcrypt-1.4.2rc2","libgcrypt-1.4.3","libgcrypt-1.4.4","libgcrypt-1.5.0","libgcrypt-1.5.0-beta1","libgcrypt-1.6.0","libgcrypt-1.7.0","libgcrypt-1.7.1","libgcrypt-1.7.2","libgcrypt-1.7.3","libgcrypt-1.8.0","libgcrypt-1.8.1","libgcrypt-1.9-base","libgcrypt-1.9.0","marcus-after-thread-cbs","marcus-before-thread-cbs","now-less-freedom-protected","post-nuke-of-trailing-ws"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3345.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}