CVE-2026-72522EPSS p7.9%
CVE-2026-72522CVE-2026-72522
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.
Scoring
| CVSS | 6.2 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 0.19% probability of exploitation · percentile 7.9% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-31 |