security: apply logout redirect security patch

CHANGELOG.md

@@ -18,6 +18,7 @@ Every user-facing change should have an entry in this changelog. Please respect
 
 ## Unreleased
 
+- [Security] Apply logout redirect url security fix. (by @regisb)
 - [Feature] Make it possible to force the rendering of a given template, even when the template path matches an ignore pattern. (by @regisb)
 - 💥[Fix] Get rid of the `tutor config render` command, which is useless now that themes can be implemented as plugins. (by @regisb)
 

tutor/templates/build/openedx/Dockerfile

@@ -56,6 +56,9 @@ RUN git fetch --depth=2 https://github.com/overhangio/edx-platform/ 3b985f207853
 # Rate limiting security fix
 # https://github.com/overhangio/edx-platform/tree/overhangio/sec-rate-limiting
 RUN git fetch --depth=2 https://github.com/overhangio/edx-platform/ b5723e416e628cac4fa84392ca13e1b72817674f && git cherry-pick b5723e416e628cac4fa84392ca13e1b72817674f
+# Logout redirect security fix
+# https://github.com/overhangio/edx-platform/tree/overhangio/sec-fix-logout-redirect-vulnerability
+RUN git fetch --depth=2 https://github.com/overhangio/edx-platform/ 08d8504224e3a3e728a0f264749e1b585e21b871 && git cherry-pick 08d8504224e3a3e728a0f264749e1b585e21b871
 {%- endif %}
 
 {# Example: RUN git fetch --depth=2 https://github.com/openedx/edx-platform <GITSHA1> && git cherry-pick <GITSHA1> #}