Oval Definition:oval:com.redhat.rhsa:def:20212569
Revision Date:2021-06-29Version:636
Title:RHSA-2021:2569: libxml2 security update (Moderate)
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)

    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.
  • Family:unixClass:patch
    Status:Reference(s):CVE-2021-3516
    CVE-2021-3517
    CVE-2021-3518
    CVE-2021-3537
    CVE-2021-3541
    RHSA-2021:2569
    Platform(s):Red Hat Enterprise Linux 8
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • Red Hat Enterprise Linux 8 is installed
  • OR Red Hat CoreOS 4 is installed
  • AND
  • libxml2 is earlier than 0:2.9.7-9.el8_4.2
  • AND libxml2 is signed with Red Hat redhatrelease2 key
  • libxml2-devel is earlier than 0:2.9.7-9.el8_4.2
  • AND libxml2-devel is signed with Red Hat redhatrelease2 key
  • python3-libxml2 is earlier than 0:2.9.7-9.el8_4.2
  • AND python3-libxml2 is signed with Red Hat redhatrelease2 key
  • BACK