mingw-expat-2.4.8-1.el8

Expat is a C library for parsing XML documents. The mingw-expat packages provide a port of the Expat library for MinGW.

The following packages have been upgraded to a later upstream version: mingw-expat (2.4.8).

Security Fix(es):

* expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)
* expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)
* expat: Integer overflow in storeRawNames() (CVE-2022-25315)
* expat: Stack exhaustion in doctype parsing (CVE-2022-25313)
* expat: Integer overflow in copyString() (CVE-2022-25314)
* expat: Integer overflow in the doProlog function (CVE-2022-23990)

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.

CVE-2022-23990
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
CVE-2022-25235
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
CVE-2022-25236
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
CVE-2022-25313
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
CVE-2022-25314
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.
CVE-2022-25315
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.