RLSA-2026:64809

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Source

https://errata.rockylinux.org/RLSA-2026:64809

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:64809.json

JSON Data

https://api.test.osv.dev/v1/vulns/RLSA-2026:64809

Upstream

CVE-2026-50219

CVE-2026-56132

Published

2026-09-09T06:01:04Z

Modified

2026-09-09T06:30:16Z

Severity

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

Summary

Moderate: expat security update

Details

Expat is a C library for parsing XML documents.

Security Fix(es):

expat: libexpat: Use-after-free vulnerability due to improper handler call depth tracking (CVE-2026-50219)
expat: libexpat: Arbitrary Code Execution via Heap-based Buffer Overflow (CVE-2026-56132)

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-2026:64809"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:8 / expat

Package

Name: expat
Purl: pkg:rpm/rocky-linux/expat?distro=rocky-linux-8&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-2.el8_10.2

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:64809.json"