I have an old version of Photoshop that requires an outdated Java runtime.
"More info" takes me to this Apple support page where you can download the older JRE.
Seems reasonable enough, but I am slightly concerned.
Could installing this deprecated, unsupported JRE make my system more vulnerable to malware?
I'm running macOS 10.13.6 (17G65) High Sierra.
As far as I'm aware, I'm only using Java to (prospectively) run Photoshop.
I never install Java extensions for browsers, so this question only has to do with desktop applications.
Under "Security & Privacy" I've selected "Only allow apps from the App Store and identified developers".