If JPEG with restart markers become corrupted, unlike JPEGs without these markers, colors do not become distorted. It is however common image data shifts.
This video explains what JPEG-Repair can do to remove corrupted bytes and how to use a photo editor to align different parts of the image again.
In the video I use:
JPEG-Repair, https://www.disktuna.com/jpgrepair-fi...
Paint.NET, https://www.getpaint.net/