File _patchinfo of Package patchinfo.16828

<patchinfo incident="16828">
  <issue tracker="bnc" id="1188881">VUL-0: EMBARGOED: CVE-2021-3672: c-ares: Missing input validation on hostnames</issue>
  <issue tracker="cve" id="2021-3672"/>
  <packager>adamm</packager>
  <rating>important</rating>
  <category>security</category>
  <summary>Security update for c-ares</summary>
  <description>This update for c-ares fixes the following issues:

Version update to git snapshot 1.17.1+20200724:

- CVE-2021-3672: fixed missing input validation on hostnames returned by DNS servers (bsc#1188881)
- If ares_getaddrinfo() was terminated by an ares_destroy(), it would cause crash
- Crash in sortaddrinfo() if the list size equals 0 due to an unexpected DNS response
- Expand number of escaped characters in DNS replies as per RFC1035 5.1 to prevent spoofing
- Use unbuffered /dev/urandom for random data to prevent early startup performance issues

This update was imported from the SUSE:SLE-15:Update update project.</description>
</patchinfo>
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File _patchinfo of Package patchinfo.16828

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