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A GitHub-reviewed security advisory, not necessarily under active exploitation the way our CISA KEV advisories are, but a real, disclosed vulnerability in an open-source dependency.
Affected packages
Vulnerable: = 5.0.0
Patched in 5.0.1
Vulnerable: >= 4.0.0, <= 4.0.9
Patched in 4.0.10
Vulnerable: <= 3.0.11
Patched in 3.0.12
Details
When creating an Image or File with a very large filename, Plone can become unresponsive. Even if the content loads, it can be hard to edit or delete, because the UI is unwieldy.
The problem has been patched in plone.app.contenttypes.
plone.app.contenttypes 5.0.1.plone.app.contenttypes 4.0.10.plone.app.contenttypes 3.0.12Another part of this problem has been patched in plone.app.dexterity. See this advisory.
There are no known workarounds.
This problem was responsibly reported by Aldin Visnjic to the Plone/Zope Security Team. Thank you!
Note: The Plone/Zope Security team felt that the kind of fixes that were needed could be disruptive in corner cases if they were not careful. So they decided to develop the fixes publicly, giving the whole community the chance the review, and giving them the benefit from early feedback.
Talk to us about this
Find out whether this dependency (or others like it) is actually reachable in your codebase.
Get help patching, or building dependency-scanning into your pipeline going forward.
A secure code review or supply chain review finds this before an advisory does.