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TI-2023-13024 Aliases CVE-2023-28484GHSA-7cv2-wjgm-j7rm

In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL…

Priority LOW 31CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 7 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01245 69th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 7 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*before 2.10.4Vulnerablexmlsoft
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* Versions before 2.10.4 Vulnerable ·xmlsoft
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

Red Hat 4 advisories

  • RHSA-2024:0413 Released 2024-01-25 · Red Hat rating Moderate
    libxml2 security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) libxml2-devel-2.9.7-13.el8_6.4
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) libxml2-2.9.7-13.el8_6.4, python3-libxml2-2.9.7-13.el8_6.4
  • RHSA-2023:4628 Released 2023-08-15 · Red Hat rating Moderate
    Red Hat JBoss Core Services Apache HTTP Server 2.4.57 security update
    • Red Hat JBoss Core Services 2.4.57
  • RHSA-2023:4529 Released 2023-08-08 · Red Hat rating Moderate
    libxml2 security update
    • Red Hat Enterprise Linux AppStream (v. 8) libxml2-devel-2.9.7-16.el8_8.1
    • Red Hat Enterprise Linux BaseOS (v. 8) libxml2-2.9.7-16.el8_8.1, python3-libxml2-2.9.7-16.el8_8.1
Show 1 more Red Hat advisories
  • RHSA-2023:4349 Released 2023-08-01 · Red Hat rating Moderate
    libxml2 security update
    • Red Hat Enterprise Linux AppStream (v. 9) libxml2-devel-2.9.13-3.el9_2.1
    • Red Hat Enterprise Linux BaseOS (v. 9) libxml2-2.9.13-3.el9_2.1, python3-libxml2-2.9.13-3.el9_2.1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:4529
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:4349
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2024:0413
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:4529
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:4349
Red Hat Enterprise Linux BaseOS EUS (v.8.6)Fixed RHSA-2024:0413
Red Hat JBoss Core Services 2.4.57Fixed RHSA-2023:4628
Not affected: 3 products
  • CloudForms Management Engine 5
  • Red Hat 3scale API Management Platform 2
  • Red Hat Satellite 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28484
  2. 2026-10-03 Alias added: GHSA-7cv2-wjgm-j7rm
  3. 2026-10-09 Fix available: RHSA-2023:4628 · Red Hat
  4. 2026-10-16 Fix available: Red Hat JBoss Core Services 2.4.57 · Red Hat

References

Exploit 1

Advisory 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences