nginx 1.17.3 主线版发布,修复内存CPU占用过高等问题


nginx 1.17.3 主线版发布,包含修复内存CPU占用过高等问题


nginx 1.17.3 2010年8月13日CHANGES


       使用gzipping 时,日志中可能会显示"zero size buf"警报; 这个bug出现在1.17.2中。

       如果 在SMTP代理中使用“resolver”指令,则可能在工作进程中发生分段错误。


Changes with nginx 1.17.3                                        13 Aug 2019

    *) Security: when using HTTP/2 a client might cause excessive memory
       consumption and CPU usage (CVE-2019-9511, CVE-2019-9513,

    *) Bugfix: "zero size buf" alerts might appear in logs when using
       gzipping; the bug had appeared in 1.17.2.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "resolver" directive was used in SMTP proxy.

Changes with nginx 1.17.2                                        23 Jul 2019

    *) Change: minimum supported zlib version is
       Thanks to Ilya Leoshkevich.

    *) Change: the $r->internal_redirect() embedded perl method now expects
       escaped URIs.

    *) Feature: it is now possible to switch to a named location using the
       $r->internal_redirect() embedded perl method.

    *) Bugfix: in error handling in embedded perl.

    *) Bugfix: a segmentation fault might occur on start or during
       reconfiguration if hash bucket size larger than 64 kilobytes was used
       in the configuration.

    *) Bugfix: nginx might hog CPU during unbuffered proxying and when
       proxying WebSocket connections if the select, poll, or /dev/poll
       methods were used.

    *) Bugfix: in the ngx_http_xslt_filter_module.

    *) Bugfix: in the ngx_http_ssi_filter_module.


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