Debian: DSA-4475-1: openssl security update
Summary
Joran Dirk Greef discovered that overly long nonces used with
ChaCha20-Poly1305 were incorrectly processed and could result in nonce
reuse. This doesn't affect OpenSSL-internal uses of ChaCha20-Poly1305
such as TLS.
For the stable distribution (stretch), this problem has been fixed in
version 1.1.0k-1~deb9u1. This DSA also upgrades openssl1.0 (which
itself is not affected by CVE-2019-1543) to 1.0.2s-1~deb9u1
We recommend that you upgrade your openssl packages.
For the detailed security status of openssl please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/openssl
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/