FortiClient Vulnerability

Security Vulnerabilities fixed in libxml2 RHSA-2021:2569

Description

The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es): libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3516) libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3517) libxml2: Use-after-free in xmlXIncludeDoProcess() in xinclude.c (CVE-2021-3518) libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode (CVE-2021-3537) libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms (CVE-2021-3541) libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3516) libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3517) libxml2: Use-after-free in xmlXIncludeDoProcess() in xinclude.c (CVE-2021-3518) libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode (CVE-2021-3537) libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms (CVE-2021-3541) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258 The desktop must be restarted (log out, then log back in) for this update to take effect.