VULNERABILITY INTELLIGENCE

CVE-2026-5447

CVSS score7.5 HIGH
EPSS probability0.34%
CISA KEVNot currently listed
Published2026-04-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension.

Weakness classification

  • facts@wolfssl.com: CWE-122

Primary references