Debian Security Advisory
DLA-2691-1 libgcrypt20 -- LTS security update
- Date Reported:
- 24 Jun 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-33560.
- More information:
An issue has been found in libgcrypt20, a crypto library. Mishandling of ElGamal encryption results in a possible side-channel attack and an interoperability problem with keys not generated by GnuPG/libgcrypt.
For Debian 9 stretch, this problem has been fixed in version 1.7.6-2+deb9u4.
We recommend that you upgrade your libgcrypt20 packages.
For the detailed security status of libgcrypt20 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libgcrypt20
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS