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VULNERABILITIES

CVE-2026-72522 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

Description

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.
CNA: [email protected]CVSS-B:6.2 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://www.openwall.com/lists/oss-security/2026/08/11/5 CVE
https://bugzilla.mozilla.org/show_bug.cgi?id=2053153 [email protected]
https://github.com/libexpat/libexpat/pull/1296 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds Read[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-72522
NVD Published Date:
Aug 10, 2026
NVD Last Modified:
Aug 31, 2026
Source:
[email protected]
CVE-2026-72522 Details - Not Deferred