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USN-4236-1: Libgcrypt vulnerability

13 January 2020

Libgcrypt could be made to expose sensitive information.

Releases

Packages

Details

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack.
An attacker could possibly use this attack to recover sensitive
information.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10
Ubuntu 19.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-4236-2: libgcrypt20-dev, libgcrypt20, libgcrypt20-udeb, libgcrypt20-doc, libgcrypt11-dev
  • USN-4236-3: libgcrypt11-dev, libgcrypt11, libgcrypt11-udeb, libgcrypt11-doc