An issue was discovered in Poppler 0.71.0. There is a NULL pointer dereference in goo/GooString.h, will lead to denial of service, as demonstrated by...

参照URL

• advisory https://access.redhat.com/errata/RHSA-2019:2022
• advisory https://usn.ubuntu.com/3837-1/
• report https://gitlab.freedesktop.org/poppler/poppler/issues/660