release 5.3.2

content/news/en/2021-05-05-knot-resolver-5.3.2.rst

+:title: Knot Resolver 5.3.2 released
+:slug: knot-resolver-5.3.2
+:date: 2021-05-05 12:00
+:lang: en
+
+Security
+--------
+- validator: fix 5.3.1 regression on over-limit NSEC3 edge case (!1169)
+  Assertion might be triggered by query/answer, potentially DoS.
+
+Improvements
+------------
+- cache: improve handling write errors from LMDB (!1159)
+- doh2: improve handling of stream errors (!1164)
+
+Bugfixes
+--------
+- dnstap module: fix repeated configuration (!1168)
+- validator: fix SERVFAIL for some rare dynamic proofs (!1166)
+- fix SIGBUS on uncommon ARM machines (unaligned access; !1167, #426)
+- cache: better resilience on abnormal termination/restarts (!1172)
+- doh2: fix memleak on stream write failures (!1161)