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»ó¼¼¼³¸í ¿ø°Ý È£½ºÆ®¿¡ ¼³Ä¡µÈ TomcatÀÇ ¹öÀüÀº 9.0.54 ÀÌÀüÀÔ´Ï´Ù. µû¶ó¼­ fixed_in_apache_tomcat_9.0.54_security-9 ±Ç°í¿¡ ¾ð±ÞµÈ Ãë¾àÁ¡ÀÇ ¿µÇâÀ» ¹Þ½À´Ï´Ù.

- Apache Tomcat 10.1.0-M1 ~ 10.1.0-M5, 10.0.0-M1 ~ 10.0.11, 9.0.40 ~ 9.0.53 ¹× 8.5.60 ~ 8.5.71¿¡ ÀÖ´Â ¹ö±× 63362¿¡ ´ëÇÑ ¼öÁ¤ »çÇ׿¡ ¸Þ¸ð¸® ´©¼ö°¡ ÀÖ½À´Ï´Ù. HTTP ¾÷±×·¹ÀÌµå ¿¬°á¿¡ ´ëÇÑ ¸ÞÆ®¸¯À» ¼öÁýÇϱâ À§ÇØ µµÀÔµÈ °³Ã¼´Â ¿¬°áÀÌ ´ÝÈ÷¸é WebSocket ¿¬°á¿¡ ´ëÇØ ÇØÁ¦µÇÁö ¾Ê¾Ò½À´Ï´Ù. ÀÌ·Î ÀÎÇØ ½Ã°£ÀÌ Áö³²¿¡ µû¶ó OutOfMemoryError¸¦ ÅëÇÑ ¼­ºñ½º °ÅºÎ·Î À̾îÁú ¼ö ÀÖ´Â ¸Þ¸ð¸® ´©¼ö°¡ ¹ß»ýÇß½À´Ï´Ù. (CVE-2021-42340)

* Âü°í »çÀÌÆ®:
https://bz.apache.org/bugzilla/show_bug.cgi?id=63362
https://github.com/apache/tomcat/commit/80f1438ec45e77a07b96419808971838d259eb47
https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.54

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Apache Tomcat Server 9.0.54 ÀÌÀüÀÇ 9.0.x ¹öÀüµé
¸ðµç ¿î¿µÃ¼Á¦ ¸ðµç ¹öÀü
ÇØ°áÃ¥ Apache Software Foundation À¥ »çÀÌÆ®ÀÎ http://tomcat.apache.org/ ¿¡¼­ ±¸ÇÒ ¼ö ÀÖ´Â Apache Tomcat ServerÀÇ °¡Àå ÃֽŠ¹öÀü(9.0.54 ȤÀº ÀÌÈÄ)À¸·Î ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù.
°ü·Ã URL CVE-2021-42340 (CVE)
°ü·Ã URL (SecurityFocus)
°ü·Ã URL (ISS)