Synopsis
Important: expat security update
Description
Expat is a C library for parsing XML documents.
Security Fix(es):
* expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)
* expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)
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.
Affected products
Rocky Linux 9 aarch64
Rocky Linux 9 ppc64le
Rocky Linux 9 s390x
Rocky Linux 9 x86_64
Fixes
2517901
2538967
CVEs
CVE-2026-66046
CVE-2026-93990
Affected packages
Rocky Linux 9 aarch64 - BaseOS
expat-0:2.5.0-6.el9_8.5.aarch64.rpm
expat-0:2.5.0-6.el9_8.5.src.rpm
expat-debuginfo-0:2.5.0-6.el9_8.5.aarch64.rpm
expat-debugsource-0:2.5.0-6.el9_8.5.aarch64.rpm
Rocky Linux 9 x86_64 - BaseOS
expat-0:2.5.0-6.el9_8.5.i686.rpm
expat-0:2.5.0-6.el9_8.5.src.rpm
expat-0:2.5.0-6.el9_8.5.x86_64.rpm
expat-debuginfo-0:2.5.0-6.el9_8.5.i686.rpm
expat-debuginfo-0:2.5.0-6.el9_8.5.x86_64.rpm
expat-debugsource-0:2.5.0-6.el9_8.5.i686.rpm
expat-debugsource-0:2.5.0-6.el9_8.5.x86_64.rpm
Rocky Linux 9 ppc64le - BaseOS
expat-0:2.5.0-6.el9_8.5.ppc64le.rpm
expat-0:2.5.0-6.el9_8.5.src.rpm
expat-debuginfo-0:2.5.0-6.el9_8.5.ppc64le.rpm
expat-debugsource-0:2.5.0-6.el9_8.5.ppc64le.rpm
Rocky Linux 9 s390x - BaseOS
expat-0:2.5.0-6.el9_8.5.s390x.rpm
expat-0:2.5.0-6.el9_8.5.src.rpm
expat-debuginfo-0:2.5.0-6.el9_8.5.s390x.rpm
expat-debugsource-0:2.5.0-6.el9_8.5.s390x.rpm
Rocky Linux 9 aarch64 - AppStream
expat-devel-0:2.5.0-6.el9_8.5.aarch64.rpm
Rocky Linux 9 x86_64 - AppStream
expat-devel-0:2.5.0-6.el9_8.5.i686.rpm
expat-devel-0:2.5.0-6.el9_8.5.x86_64.rpm
Rocky Linux 9 ppc64le - AppStream
expat-devel-0:2.5.0-6.el9_8.5.ppc64le.rpm
Rocky Linux 9 s390x - AppStream
expat-devel-0:2.5.0-6.el9_8.5.s390x.rpm