CVE-2026-72522 — libexpat project / libexpat

CVE-2026-72522

libexpat project / libexpat PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
libexpat project / libexpat	affected 0 before 2.8.3

CWE

CWE-125

References

https://github.com/libexpat/libexpat/pull/1296
https://bugzilla.mozilla.org/show_bug.cgi?id=2053153

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/08/11/5

CISA-ADP

No English description supplied.

No references supplied.