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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=512c0c75276949f13b6373b5c04f7065af750b08 ↗
- https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html ↗
- https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html ↗
- https://gnupg.org ↗
- https://bugs.gentoo.org/show_bug.cgi?id=767814 ↗
- https://www.oracle.com//security-alerts/cpujul2021.html ↗