Out of bounds memory access in PDFium in Google Chrome prior to 78.0.3904.70 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.
https://chromereleases.googleblog.com/2019/10/stable-channel-update-for-desktop_22.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00008.html