Is CVE-2026-24515 actively exploited?

CVE-2026-24515 has no public evidence of in-the-wild exploitation as of 2026-02-05.

What is the CVSS score for CVE-2026-24515?

CVE-2026-24515 has a CVSS score of 2.9 (LOW severity). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

How do I patch CVE-2026-24515?

Patch guidance is available from libexpat project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-24515.

Which products are affected by CVE-2026-24515?

1 product: libexpat project libexpat.

CVE-2026-24515 - remediation guidance & executive summary

Description

In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector: local
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
Weaknesses: CWE-476 · NULL Pointer Dereference

Metadata

Primary Vendor: LIBEXPAT_PROJECT
Published: 1/23/2026
Last Modified: 2/5/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

libexpat_project : libexpat

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-24515. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-24515

View on NIST NVD

CVE-2026-24515 vulnerability