Zope-Announce

zope-announce@zope.dev

September 2023

Zope 5.8.5 and 4.8.10 released with security fixes
by icemac＠gmx.net 21 Sep '23

21 Sep '23

On behalf of Zope developer community I am pleased to announce the release of Zope 5.8.5 and Zope 4.8.10. These releases fix some security issues. So you are advised to update. For the full list of changes see the change logs at https://zope.readthedocs.io/en/latest/changes.html#id1 resp. https://zope.readthedocs.io/en/4.x/changes.html#id1. Installation instructions can be found at https://zope.readthedocs.io/en/latest/INSTALL.html resp. https://zope.readthedocs.io/en/4.x/INSTALL.html. Michael Howitz

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Zope 4.8.9 and 5.8.4 released with a security fix
by Jens Vagelpohl 06 Sep '23

06 Sep '23

On behalf of the Zope developer community I am pleased to announce the releases of Zope 4.8.9 and 5.8.4. These bugfix releases solve a few minor issues and contain a security fix. For the full list of changes see the change logs at https://zope.readthedocs.io/en/4.x/changes.html#id1 and https://zope.readthedocs.io/en/latest/changes.html#id1 Installation instructions can be found at https://zope.readthedocs.io/en/4.x/INSTALL.html and https://zope.readthedocs.io/en/latest/INSTALL.html. These releases contain a security fix for the RestrictedPython and AccessControl packages, which would allow an attacker with enough privileges to add or edit Zope objects containing code (DTML Methods and Documents, Script (Python) or Page Templates) to access Python objects outside of the Zope sandbox. Due to the high level of access privilege required - normally only administrator-level users are allowed to add or edit the affected Zope objects - the risk to Zope and Plone site maintainers is limited. The related security advisories with full details are published here: - https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-8x… - https://github.com/zopefoundation/RestrictedPython/security/advisories/GHSA… Jens Vagelpohl

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