[ubuntu/bionic-updates] libgcrypt20 1.8.1-4ubuntu1.3 (Accepted)

[Ubuntu Archive Robot]

libgcrypt20 (1.8.1-4ubuntu1.3) bionic-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 13:46:09.757028+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/libgcrypt20/1.8.1-4ubuntu1.3
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