[Bug 1921518] Re: OpenSSL "double free" error

[Vladimir Sokolovsky]

Ubuntu 20.04 updates repository was updated with:
libssl1.1/focal-updates,focal-security 1.1.1f-1ubuntu2.8 arm64 [upgradable from: 1.1.1f-1ubuntu2.5]
openssl/focal-updates,focal-security 1.1.1f-1ubuntu2.8 arm64 [upgradable from: 1.1.1f-1ubuntu2.5]

Do these versions include the fixes above?

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https://bugs.launchpad.net/bugs/1921518

Title:
  OpenSSL "double free" error

Status in openssl package in Ubuntu:
  Incomplete
Status in openssl source package in Focal:
  Incomplete

Bug description:
  "double free" error is seen when using curl utility. Error is from
  libcrypto.so which is part of the OpenSSL package. This happens only
  when OpenSSL is configured to use a dynamic engine.

  OpenSSL version is 1.1.1f

  The issue is not encountered if
  http://www.openssl.org/source/openssl-1.1.1f.tar.gz is used instead.

  
  OpenSSL can be configured to use a dynamic engine by editing the default openssl config file which is located at '/etc/ssl/openssl.cnf' on Ubuntu systems.

  On Bluefield systems, config diff to enable PKA dynamic engine, is as
  below:

  +openssl_conf = conf_section
  +
   # Extra OBJECT IDENTIFIER info:
   #oid_file              = $ENV::HOME/.oid
   oid_section            = new_oids
   
  +[ conf_section ]
  +engines = engine_section
  +
  +[ engine_section ]
  +bf = bf_section
  +
  +[ bf_section ]
  +engine_id=pka
  +dynamic_path=/usr/lib/aarch64-linux-gnu/engines-1.1/pka.so
  +init=0
  +

  engine_id above refers to dynamic engine name/identifier.
  dynamic_path points to the .so file for the dynamic engine.

  # curl -O https://tpo.pe/pathogen.vim

  double free or corruption (out)

  Aborted (core dumped)

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