Fixes the following vulnerability: - CVE-2021-23017: 1-byte memory overwrite in resolver For more details, see the advisories: https://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html https://www.openwall.com/lists/oss-security/2021/05/25/5 Signed-off-by: Peter Korsgaard <peter@korsgaard.com> [yann.morin.1998@free.fr: annotate the patch, that it is a backport] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
