Microsoft advisory for CVE-2021-3345 — azl3 grub2 2.06-23 on Azure Linux 3.0
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-3345. This page also shows what EchelonGraph holds for CVE-2021-3345, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products1
- azl3 grub2 2.06-23 on Azure Linux 3.0
🧭 EchelonGraph on CVE-2021-3345
- EchelonGraph score
- 7.8 HIGH
- CISA KEV
- Not listed
- Fix status
- The CVE record names the fixed release — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
_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.
Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2021-3345, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).