A libwebp security update has been released for Debian GNU/Linux 9 Extended LTS to address a buffer overflow.
ELA-971-1 libwebp security update
Package : libwebp
Version : 0.5.2-1+deb9u3 (stretch)
Related CVEs :
CVE-2023-4863
A buffer overflow in parsing WebP images may result in the execution of arbitrary code.