Heroku-18 and Heroku-20 Stack Images Updated

Change effective on 30 November 2021

We have updated the heroku-18 and heroku-20 stack images to pick up security fixes in upstream packages. The new stack images will be rolled out automatically over the next 24 hours. You do not need to redeploy your app or manually restart your dynos.

See this Dev Center article for an overview of the packages available in each stack image.

Stack: heroku-18

  • Updated imagemagick from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated imagemagick-6-common from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated imagemagick-6.q16 from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libmagickcore-6.q16-3 from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libmagickcore-6.q16-3-extra from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libmagickwand-6.q16-3 from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libopenexr22 from version 2.2.0-11.1ubuntu1.7 to 2.2.0-11.1ubuntu1.9
  • Updated libpq5 from version 14.0-1.pgdg18.04+1 to 14.1-1.pgdg18.04+1
  • Updated linux-libc-dev from version 4.15.0-162.170 to 4.15.0-163.171
  • Updated postgresql-client-13 from version 13.4-4.pgdg18.04+1 to 13.5-1.pgdg18.04+1
  • Updated postgresql-client-common from version 231.pgdg18.04+1 to 232.pgdg18.04+1
  • Updated rsync from version 3.1.2-2.1ubuntu1.1 to 3.1.2-2.1ubuntu1.2

Updates to packages available at build time only

  • Updated libmagickcore-6-arch-config from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libmagickcore-6-headers from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libmagickcore-6.q16-dev from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libmagickwand-6-headers from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libmagickwand-6.q16-dev from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libmagickwand-dev from version 8:6.9.7.4+dfsg-16ubuntu6.11 to 8:6.9.7.4+dfsg-16ubuntu6.12
  • Updated libopenexr-dev from version 2.2.0-11.1ubuntu1.7 to 2.2.0-11.1ubuntu1.9
  • Updated libpq-dev from version 14.0-1.pgdg18.04+1 to 14.1-1.pgdg18.04+1
  • Updated postgresql-common from version 231.pgdg18.04+1 to 232.pgdg18.04+1
  • Updated postgresql-server-dev-13 from version 13.4-4.pgdg18.04+1 to 13.5-1.pgdg18.04+1

Stack: heroku-20

  • Updated ghostscript from version 9.50~dfsg-5ubuntu4.3 to 9.50~dfsg-5ubuntu4.4
  • Updated libgs9 from version 9.50~dfsg-5ubuntu4.3 to 9.50~dfsg-5ubuntu4.4
  • Updated libgs9-common from version 9.50~dfsg-5ubuntu4.3 to 9.50~dfsg-5ubuntu4.4
  • Updated libicu66 from version 66.1-2ubuntu2 to 66.1-2ubuntu2.1
  • Updated libpq5 from version 14.0-1.pgdg20.04+1 to 14.1-2.pgdg20.04+1
  • Updated libssl1.1 from version 1.1.1f-1ubuntu2.8 to 1.1.1f-1ubuntu2.9
  • Updated linux-libc-dev from version 5.4.0-90.101 to 5.4.0-91.102
  • Updated openssl from version 1.1.1f-1ubuntu2.8 to 1.1.1f-1ubuntu2.9
  • Updated postgresql-client-13 from version 13.4-4.pgdg20.04+1 to 13.5-2.pgdg20.04+1
  • Updated postgresql-client-common from version 231.pgdg20.04+1 to 232.pgdg20.04+1
  • Updated rsync from version 3.1.3-8 to 3.1.3-8ubuntu0.1
  • Updated wget from version 1.20.3-1ubuntu1 to 1.20.3-1ubuntu2

Updates to packages available at build time only

  • Updated icu-devtools from version 66.1-2ubuntu2 to 66.1-2ubuntu2.1
  • Updated libgs-dev from version 9.50~dfsg-5ubuntu4.3 to 9.50~dfsg-5ubuntu4.4
  • Updated libicu-dev from version 66.1-2ubuntu2 to 66.1-2ubuntu2.1
  • Updated libpq-dev from version 14.0-1.pgdg20.04+1 to 14.1-2.pgdg20.04+1
  • Updated libssl-dev from version 1.1.1f-1ubuntu2.8 to 1.1.1f-1ubuntu2.9
  • Updated postgresql-common from version 231.pgdg20.04+1 to 232.pgdg20.04+1
  • Updated postgresql-server-dev-13 from version 13.4-4.pgdg20.04+1 to 13.5-2.pgdg20.04+1