Denial of Service in extension "Code Highlight" (codehighlight)

Impact

The codehighlight extension bundles a vulnerable version of the 3rd party JavaScript component “prism” which is known to be vulnerable against Regular expression Denial of Service (ReDoS).

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Original source description

References

• Patch github.com/brotkrueml/codehighlight/commit/c43d46ef571a3b94a6240782423ce04bfada7fd8
• Security advisory github.com/FriendsOfPHP/security-advisories/blob/master/brotkrueml/codehighlight/2021-11-10-1.yaml
• Source reference github.com/brotkrueml/codehighlight
• Security advisory typo3.org/security/advisory/typo3-ext-sa-2021-016