Friesenhahn, Bob (June 6, 2020). "Re: [Libjpeg-devel-6x] 4 Integer Overflow Errors in libjpeg-9c". libjpeg-devel-6x (Mailing list). Retrieved 2021-01-25. The only concern was that Guido Vollbeding is not likely subscribed to this list and IJG JPEG is essentially developed by one person.