11cb0ef41Sopenharmony_ci## c-ares version 1.27.0 - Feb 23 2024
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31cb0ef41Sopenharmony_ciThis is a security, feature, and bugfix release.
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51cb0ef41Sopenharmony_ciSecurity:
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71cb0ef41Sopenharmony_ci* Moderate. CVE-2024-25629. Reading malformatted `/etc/resolv.conf`,
81cb0ef41Sopenharmony_ci  `/etc/nsswitch.conf` or the `HOSTALIASES` file could result in a crash.
91cb0ef41Sopenharmony_ci  [GHSA-mg26-v6qh-x48q](https://github.com/c-ares/c-ares/security/advisories/GHSA-mg26-v6qh-x48q)
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111cb0ef41Sopenharmony_ciFeatures:
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131cb0ef41Sopenharmony_ci* New function `ares_queue_active_queries()` to retrieve number of in-flight
141cb0ef41Sopenharmony_ci  queries. [PR #712](https://github.com/c-ares/c-ares/pull/712)
151cb0ef41Sopenharmony_ci* New function `ares_queue_wait_empty()` to wait for the number of in-flight
161cb0ef41Sopenharmony_ci  queries to reach zero. [PR #710](https://github.com/c-ares/c-ares/pull/710)
171cb0ef41Sopenharmony_ci* New `ARES_FLAG_NO_DEFLT_SVR` for `ares_init_options()` to return a failure if
181cb0ef41Sopenharmony_ci  no DNS servers can be found rather than attempting to use `127.0.0.1`. This
191cb0ef41Sopenharmony_ci  also introduces a new ares status code of `ARES_ENOSERVER`. [PR #713](https://github.com/c-ares/c-ares/pull/713)
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211cb0ef41Sopenharmony_ciChanges:
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231cb0ef41Sopenharmony_ci* EDNS Packet size should be 1232 as per DNS Flag Day. [PR #705](https://github.com/c-ares/c-ares/pull/705)
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251cb0ef41Sopenharmony_ciBugfixes:
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271cb0ef41Sopenharmony_ci* Windows DNS suffix search list memory leak. [PR #711](https://github.com/c-ares/c-ares/pull/711)
281cb0ef41Sopenharmony_ci* Fix warning due to ignoring return code of `write()`. [PR #709](https://github.com/c-ares/c-ares/pull/709)
291cb0ef41Sopenharmony_ci* CMake: don't override target output locations if not top-level. [Issue #708](https://github.com/c-ares/c-ares/issues/708)
301cb0ef41Sopenharmony_ci* Fix building c-ares without thread support. [PR #700](https://github.com/c-ares/c-ares/pull/700)
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321cb0ef41Sopenharmony_ciThanks go to these friendly people for their efforts and contributions for this release:
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341cb0ef41Sopenharmony_ci* Anthony Alayo (@anthonyalayo)
351cb0ef41Sopenharmony_ci* Brad House (@bradh352)
361cb0ef41Sopenharmony_ci* Cheng Zhao (@zcbenz)
371cb0ef41Sopenharmony_ci* Cristian Rodríguez (@crrodriguez)
381cb0ef41Sopenharmony_ci* Daniel Stenberg (@bagder)
391cb0ef41Sopenharmony_ci* Oliver Welsh (@oliverwelsh)
401cb0ef41Sopenharmony_ci* Vojtěch Vobr (@vojtechvobr)
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