The Bug
The legs and paws of all cat textures apart from the witch's cat, are duplicated but not mirrored.
Steps to Reproduce
Summon a cat or an ocelot.
/summon minecraft:ocelot ~ ~2.5 ~ {NoAI:1b} /summon minecraft:cat ~ ~2.5 ~ {NoAI:1b}
Compare the texture of the cat's/ocelot's left leg to their right leg.
Take note as to whether or not the texture of cats' and ocelots' legs are mirrored.
Observed Behavior
The texture of cats' and ocelots' legs aren't mirrored.
Expected Behavior
The texture of cats' and ocelots' legs would be mirrored.
Attachments
Comments

Can confirm in 1.18 and 1.18.1 Pre-release 1.
Can confirm in 1.18.1.
This ticket relates to MC-246249.

This is WAI
I can confirm this behavior in 1.18 Release Candidate 1. This also affects ocelots and this ticket closely relates to MC-230603. Here are some extra details regarding this issue.
The Bug:
The texture of cats' and ocelots' legs aren't mirrored.
Steps to Reproduce:
Summon a cat or an ocelot.
Compare the texture of the cat's/ocelot's left leg to their right leg.
Take note as to whether or not the texture of cats' and ocelots' legs are mirrored.
Observed Behavior:
The texture of cats' and ocelots' legs aren't mirrored.
Expected Behavior:
The texture of cats' and ocelots' legs would be mirrored.