CVE-2026-5448
Medium · 4.3CVSS
4.3
EPSS
0.1%
Published
Apr 10, 2026
CISA due date
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The record
X.509 date buffer overflow in wolfSSL_X509_notAfter / wolfSSL_X509_notBefore. A buffer overflow may occur when parsing date fields from a crafted X.509 certificate via the compatibility layer API. This is only triggered when calling these two APIs directly from an application, and does not affect TLS or certificate verify operations in wolfSSL.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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