[ubuntu/focal-updates] libgcrypt20 1.8.5-5ubuntu1.1 (Accepted)

Ubuntu Archive Robot ubuntu-archive-robot at lists.canonical.com
Thu Sep 16 11:28:24 UTC 2021


libgcrypt20 (1.8.5-5ubuntu1.1) focal-security; urgency=medium

  * SECURITY UPDATE: lack of exponent blinding in ElGamal encryption
    - debian/patches/CVE-2021-33560.patch: harden ElGamal by introducing
      exponent blinding too in cipher/elgamal.c.
    - CVE-2021-33560
  * SECURITY UPDATE: incorrect support of smaller K
    - debian/patches/CVE-2021-40528.patch: fix ElGamal encryption for other
      implementations in cipher/elgamal.c.
    - CVE-2021-40528

Date: 2021-09-15 13:50:14.026920+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
Signed-By: Ubuntu Archive Robot <ubuntu-archive-robot at lists.canonical.com>
https://launchpad.net/ubuntu/+source/libgcrypt20/1.8.5-5ubuntu1.1
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