The realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted ISO file.
Created libcdio tracking bugs for this issue:
Affects: fedora-all [bug 1549713]
This issue has been addressed in the following products:
Red Hat Enterprise Linux 7
Via RHSA-2018:3246 https://access.redhat.com/errata/RHSA-2018:3246