As of today the reporting of the VT in question is still correct and there is no need for any updates / score updates so far.
If you disagree with the current assessment / scoring you can create an override on your own risk accordingly.
Note: Once there are new advisories from Squid project side available for sure the VT will be updated to remove that now fixed vulnerability/vulnerabilities from the description of the VT in question. Such fixed flaws will then be handled in a dedicated VT like happened in the past (see e.g. all more recent VTs having a reference to https://megamansec.github.io/Squid-Security-Audit/).
The situation is also constantly monitored from our side and newly published updates are getting reported to the original security researcher like done here for example: