Glibc Update

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Still too much blood in my caffeine stream…. IIRC, someone was asking about a problem with DNS queries and IPv6 yesterday. I just got a notification from RH this morning, about a glibc bugfix update, and wondered if this might impact that problem….

Excerpt:
This update fixes the following bug:

* Prior to this update, glibc incorrectly handled the “options rotate”
option in the /etc/resolv.conf file when this file also contained one or more IPv6 name servers. Consequently, DNS queries could unexpectedly fail, particularly when multiple queries were issued by a single process. This update fixes internalization of the listed servers from /etc/resolv.conf into glibc’s internal structures, as well as the sorting and rotation of those structures to implement the “options rotate” capability. Now, DNS names are resolved correctly in glibc in the described scenario. (BZ#843571)
— end excerpt –

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