Debian DSA-5014-1 critical: ICU library use-after-free issue
Summary
For the oldstable distribution (buster), this problem has been fixed
in version 63.1-6+deb10u2.
We recommend that you upgrade your icu packages.
For the detailed security status of icu please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/icu
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/