Security Vulnerabilities fixed in libxkbcommon RHSA-2019:2079

Description

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fix(es): * libX11: Crash on invalid reply in XListExtensions in ListExt.c (CVE-2018-14598) * libX11: Off-by-one error in XListExtensions in ListExt.c (CVE-2018-14599) * libX11: Out of Bounds write in XListExtensions in ListExt.c (CVE-2018-14600) * libxkbcommon: Invalid free in ExprAppendMultiKeysymList resulting in a crash (CVE-2018-15857) * libxkbcommon: Endless recursion in xkbcomp/expr.c resulting in a crash (CVE-2018-15853) * libxkbcommon: NULL pointer dereference resulting in a crash (CVE-2018-15854) * libxkbcommon: NULL pointer dereference when handling xkb_geometry (CVE-2018-15855) * libxkbcommon: Infinite loop when reaching EOL unexpectedly resulting in a crash (CVE-2018-15856) * libxkbcommon: NULL pointer dereference when parsing invalid atoms in ExprResolveLhs resulting in a crash (CVE-2018-15859) * libxkbcommon: NULL pointer dereference in ExprResolveLhs resulting in a crash (CVE-2018-15861) * libxkbcommon: NULL pointer dereference in LookupModMask resulting in a crash (CVE-2018-15862) * libxkbcommon: NULL pointer dereference in ResolveStateAndPredicate resulting in a crash (CVE-2018-15863) * libxkbcommon: NULL pointer dereference in resolve_keysym resulting in a crash (CVE-2018-15864) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Affected Applications

libxkbcommon

CVE References

CVE-2018-14598 CVE-2018-14599 CVE-2018-14600 CVE-2018-15853 CVE-2018-15854 CVE-2018-15855 CVE-2018-15856 CVE-2018-15857 CVE-2018-15859 CVE-2018-15861 CVE-2018-15862 CVE-2018-15863 CVE-2018-15864

Other References

https://access.redhat.com/errata/RHSA-2019:2079