RHSA-2025:21776
Advisory lineage Upstream: 4 Downstream: 0
Published: 20 Nov 2025, 11:01
Last modified:03 Jun 2026, 10:13
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
3.1 (osv_red_hat)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
20 Nov 2025, 11:01
Published
Vulnerability first disclosed
03 Jun 2026, 10:13
Last Modified
Vulnerability information updated
Description
Red Hat Security Advisory: expat security update
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- redhat•expat
< 0:2.5.0-1.el8_10
- redhat•expat-debuginfo
< 0:2.5.0-1.el8_10
- redhat•expat-debugsource
< 0:2.5.0-1.el8_10
- redhat•expat-devel
< 0:2.5.0-1.el8_10
References (26)
- https://access.redhat.com/errata/RHSA-2025:21776
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2395108
- https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21776.json
- https://access.redhat.com/security/cve/CVE-2013-0340
- https://bugzilla.redhat.com/show_bug.cgi?id=1000109
- https://www.cve.org/CVERecord?id=CVE-2013-0340
- https://nvd.nist.gov/vuln/detail/CVE-2013-0340
- https://access.redhat.com/security/cve/CVE-2022-23990
- https://bugzilla.redhat.com/show_bug.cgi?id=2048356
- https://www.cve.org/CVERecord?id=CVE-2022-23990
- https://nvd.nist.gov/vuln/detail/CVE-2022-23990
- https://access.redhat.com/security/cve/CVE-2024-28757
- https://bugzilla.redhat.com/show_bug.cgi?id=2268766
- https://www.cve.org/CVERecord?id=CVE-2024-28757
- https://nvd.nist.gov/vuln/detail/CVE-2024-28757
- https://github.com/libexpat/libexpat/issues/839
- https://access.redhat.com/security/cve/CVE-2025-59375
- https://www.cve.org/CVERecord?id=CVE-2025-59375
- https://nvd.nist.gov/vuln/detail/CVE-2025-59375
- https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74
- https://github.com/libexpat/libexpat/issues/1018
- https://github.com/libexpat/libexpat/pull/1034
- https://issues.oss-fuzz.com/issues/439133977
- https://www.mozilla.org/security/advisories/mfsa2026-22/#CVE-2025-59375
- https://www.mozilla.org/security/advisories/mfsa2026-24/#CVE-2025-59375