CVE-2026-72522 in Libexpat

Sumário

de MITRE • 10/08/2026

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.

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• Responsável: MITRE
• Reservar: 10/08/2026
• Divulgação: 10/08/2026
• Moderação: aceite
• Entrada: VDB-387291
• CPE: pronto
• CWE: CWE-125 (confirmado)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-72522
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-72522
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-72522/