I would strongly recommend updating to CFITSIO 3.44 which patched a several more issues. Though 3.45 which should be released in the next two weeks will also contain an annoying bug fix.
https://heasarc.gsfc.nasa.gov/FTP/software/fitsio/c/docs/changes.txt Log of Changes Made to CFITSIO Version 3.44 - April 2018 - This release primarily patches security vulnerabilities. We strongly encourage this upgrade, particularly for those running CFITSIO in web accessible applications. . . . -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1754390 Title: cfitsio vulnerability (fixed in 3.43) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cfitsio/+bug/1754390/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs