GHSA-m8rj-ppph-mj33 @plone/volto vulnerable to potential DoS by invoking specific URL by anonymous user

• npm @plone/volto: < 16.34.1 → fixed in 16.34.1 • npm @plone/volto: >= 17.0.0, < 17.22.2 → fixed in 17.22.2 • npm @plone/volto: >= 18.0.0, < 18.27.2 → fixed in 18.27.2 • npm @plone/volto: >= 19.0.0-alpha.1, < 19.0.0-alpha.6 → fixed in 19.0.0-alpha.6

Impact When visiting a specific URL, an anonymous user could cause the NodeJS server part of Volto to quit with an error. Patches The problem has been patched and the patch has been backported to Volto major versions down until 16. It is advised to upgrade to the latest patch release of your respective current major version: • Volto 16: 16.34.1 • Volto 17: 17.22.2 • Volto 18: 18.27.2 • Volto 19: 19.0.0-alpha6 Workarounds Make sure your setup automatically restarts processes that quit with an error. This won't prevent a crash, but it minimises downtime. Report The problem was discovered by FHNW, a client of Plone provider kitconcept, who shared it with the Plone Zope Security Team ([email protected]).