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 10 aarch64
Rocky Linux 10 ppc64le
Rocky Linux 10 riscv64
Rocky Linux 10 s390x
Rocky Linux 10 x86_64
Fixes
2517901
2538967
CVEs
CVE-2026-66046
CVE-2026-93990
Affected packages
Rocky Linux 10 x86_64 - BaseOS
expat-debugsource-0:2.7.3-1.el10_2.5.x86_64.rpm
expat-0:2.7.3-1.el10_2.5.src.rpm
expat-debuginfo-0:2.7.3-1.el10_2.5.x86_64.rpm
expat-0:2.7.3-1.el10_2.5.x86_64.rpm
Rocky Linux 10 aarch64 - AppStream
expat-devel-0:2.7.3-1.el10_2.5.aarch64.rpm
Rocky Linux 10 ppc64le - AppStream
expat-devel-0:2.7.3-1.el10_2.5.ppc64le.rpm
Rocky Linux 10 s390x - BaseOS
expat-debuginfo-0:2.7.3-1.el10_2.5.s390x.rpm
expat-0:2.7.3-1.el10_2.5.s390x.rpm
expat-debugsource-0:2.7.3-1.el10_2.5.s390x.rpm
expat-0:2.7.3-1.el10_2.5.src.rpm
Rocky Linux 10 s390x - AppStream
expat-devel-0:2.7.3-1.el10_2.5.s390x.rpm
Rocky Linux 10 ppc64le - BaseOS
expat-0:2.7.3-1.el10_2.5.ppc64le.rpm
expat-0:2.7.3-1.el10_2.5.src.rpm
expat-debugsource-0:2.7.3-1.el10_2.5.ppc64le.rpm
expat-debuginfo-0:2.7.3-1.el10_2.5.ppc64le.rpm
Rocky Linux 10 x86_64 - AppStream
expat-devel-0:2.7.3-1.el10_2.5.x86_64.rpm
Rocky Linux 10 aarch64 - BaseOS
expat-debuginfo-0:2.7.3-1.el10_2.5.aarch64.rpm
expat-0:2.7.3-1.el10_2.5.aarch64.rpm
expat-0:2.7.3-1.el10_2.5.src.rpm
expat-debugsource-0:2.7.3-1.el10_2.5.aarch64.rpm
Rocky Linux 10 riscv64 - BaseOS
expat-0:2.7.3-1.el10_2.5.src.rpm