Heroku-20 and Heroku-22 stacks updated
Change effective on 19 June 2024
We have updated the heroku-20 and heroku-22 stacks to pick up
security fixes in upstream packages. The new base images for each stack will be rolled out automatically
to the Common Runtime over the next 48 hours,
followed by Private Spaces.
If you are using Heroku’s default buildpack-powered build system/stacks you do not need to redeploy your app to pick up these changes, since your application’s slug is applied on top of the most recent base image for the stack each time a dyno starts. Currently running dynos will be automatically restarted, so there is no need to manually restart your app.
If your app instead uses Heroku’s container stack (most apps do not),
you will need to rebuild your app’s Docker image in order to pick up any updates in the base image
specified in your Dockerfile.
See this Dev Center article for an overview of the packages available in each stack’s base image.
Changelog of packages
Stack: heroku-20
- Updated 
ghostscriptfrom version9.50~dfsg-5ubuntu4.11to9.50~dfsg-5ubuntu4.12 - Updated 
gitfrom version1:2.25.1-1ubuntu3.12to1:2.25.1-1ubuntu3.13 - Updated 
git-manfrom version1:2.25.1-1ubuntu3.12to1:2.25.1-1ubuntu3.13 - Updated 
libgdk-pixbuf2.0-0from version2.40.0+dfsg-3ubuntu0.4to2.40.0+dfsg-3ubuntu0.5 - Updated 
libgdk-pixbuf2.0-commonfrom version2.40.0+dfsg-3ubuntu0.4to2.40.0+dfsg-3ubuntu0.5 - Updated 
libgif7from version5.1.9-1to5.1.9-1ubuntu0.1 - Updated 
libgs9from version9.50~dfsg-5ubuntu4.11to9.50~dfsg-5ubuntu4.12 - Updated 
libgs9-commonfrom version9.50~dfsg-5ubuntu4.11to9.50~dfsg-5ubuntu4.12 - Updated 
libmysqlclient21from version8.0.36-0ubuntu0.20.04.1to8.0.37-0ubuntu0.20.04.3 - Updated 
libruby2.7from version2.7.0-5ubuntu1.12to2.7.0-5ubuntu1.13 - Updated 
libtiff5from version4.1.0+git191117-2ubuntu0.20.04.12to4.1.0+git191117-2ubuntu0.20.04.13 - Updated 
libvpx6from version1.8.2-1ubuntu0.2to1.8.2-1ubuntu0.3 - Updated 
linux-libc-devfrom version5.4.0-182.202to5.4.0-186.206 - Updated 
ruby2.7from version2.7.0-5ubuntu1.12to2.7.0-5ubuntu1.13 
Updates to packages available at build time only
- Updated 
gir1.2-gdkpixbuf-2.0from version2.40.0+dfsg-3ubuntu0.4to2.40.0+dfsg-3ubuntu0.5 - Updated 
libgdk-pixbuf2.0-binfrom version2.40.0+dfsg-3ubuntu0.4to2.40.0+dfsg-3ubuntu0.5 - Updated 
libgdk-pixbuf2.0-devfrom version2.40.0+dfsg-3ubuntu0.4to2.40.0+dfsg-3ubuntu0.5 - Updated 
libgs-devfrom version9.50~dfsg-5ubuntu4.11to9.50~dfsg-5ubuntu4.12 - Updated 
libmysqlclient-devfrom version8.0.36-0ubuntu0.20.04.1to8.0.37-0ubuntu0.20.04.3 - Updated 
libtiff-devfrom version4.1.0+git191117-2ubuntu0.20.04.12to4.1.0+git191117-2ubuntu0.20.04.13 - Updated 
libtiffxx5from version4.1.0+git191117-2ubuntu0.20.04.12to4.1.0+git191117-2ubuntu0.20.04.13 - Updated 
libvpx-devfrom version1.8.2-1ubuntu0.2to1.8.2-1ubuntu0.3 - Updated 
ruby2.7-devfrom version2.7.0-5ubuntu1.12to2.7.0-5ubuntu1.13 
Stack: heroku-22
- Updated 
bind9-dnsutilsfrom version1:9.18.18-0ubuntu0.22.04.2to1:9.18.24-0ubuntu0.22.04.1 - Updated 
bind9-hostfrom version1:9.18.18-0ubuntu0.22.04.2to1:9.18.24-0ubuntu0.22.04.1 - Updated 
bind9-libsfrom version1:9.18.18-0ubuntu0.22.04.2to1:9.18.24-0ubuntu0.22.04.1 - Updated 
dnsutilsfrom version1:9.18.18-0ubuntu0.22.04.2to1:9.18.24-0ubuntu0.22.04.1 - Updated 
ghostscriptfrom version9.55.0~dfsg1-0ubuntu5.6to9.55.0~dfsg1-0ubuntu5.7 - Updated 
libgdk-pixbuf-2.0-0from version2.42.8+dfsg-1ubuntu0.2to2.42.8+dfsg-1ubuntu0.3 - Updated 
libgdk-pixbuf2.0-commonfrom version2.42.8+dfsg-1ubuntu0.2to2.42.8+dfsg-1ubuntu0.3 - Updated 
libgs9from version9.55.0~dfsg1-0ubuntu5.6to9.55.0~dfsg1-0ubuntu5.7 - Updated 
libgs9-commonfrom version9.55.0~dfsg1-0ubuntu5.6to9.55.0~dfsg1-0ubuntu5.7 - Updated 
libmysqlclient21from version8.0.36-0ubuntu0.22.04.1to8.0.37-0ubuntu0.22.04.3 - Updated 
libtiff5from version4.3.0-6ubuntu0.8to4.3.0-6ubuntu0.9 - Updated 
libvpx7from version1.11.0-2ubuntu2.2to1.11.0-2ubuntu2.3 - Updated 
linux-libc-devfrom version5.15.0-107.117to5.15.0-112.122 
Updates to packages available at build time only
- Updated 
gir1.2-gdkpixbuf-2.0from version2.42.8+dfsg-1ubuntu0.2to2.42.8+dfsg-1ubuntu0.3 - Updated 
libarchive13from version3.6.0-1ubuntu1to3.6.0-1ubuntu1.1 - Updated 
libgdk-pixbuf-2.0-devfrom version2.42.8+dfsg-1ubuntu0.2to2.42.8+dfsg-1ubuntu0.3 - Updated 
libgdk-pixbuf2.0-binfrom version2.42.8+dfsg-1ubuntu0.2to2.42.8+dfsg-1ubuntu0.3 - Updated 
libgs-devfrom version9.55.0~dfsg1-0ubuntu5.6to9.55.0~dfsg1-0ubuntu5.7 - Updated 
libmysqlclient-devfrom version8.0.36-0ubuntu0.22.04.1to8.0.37-0ubuntu0.22.04.3 - Updated 
libtiff-devfrom version4.3.0-6ubuntu0.8to4.3.0-6ubuntu0.9 - Updated 
libtiffxx5from version4.3.0-6ubuntu0.8to4.3.0-6ubuntu0.9 - Updated 
libvpx-devfrom version1.11.0-2ubuntu2.2to1.11.0-2ubuntu2.3