RLSA-2026:72663

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Source

https://errata.rockylinux.org/RLSA-2026:72663

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:72663.json

JSON Data

https://api.test.osv.dev/v1/vulns/RLSA-2026:72663

Upstream

CVE (2)

Published

2026-09-30T12:05:19Z

Modified

2026-09-30T12:45:02Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

Important: expat security update

Details

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.

Database specific

{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:72663"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:9 / expat

Package

Name: expat
Purl: pkg:rpm/rocky-linux/expat?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-6.el9_8.5

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:72663.json"