EUVD-2026-21233

X.509 date buffer overflow in wolfSSLX509notAfter / wolfSSLX509notBefore. 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...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the wolfSSLX509notAfter or wolfSSLX509notBefore functions when parsing date fields from a specially crafted X.509 certificate via the compatibility layer API. An attacker can cause a buffer overflow by...

CVE-2026-5448

X.509 date buffer overflow in wolfSSLX509notAfter / wolfSSLX509notBefore. 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...

Linux Distros Unpatched Vulnerability : CVE-2026-5448

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - X.509 date buffer overflow in wolfSSLX509notAfter / wolfSSLX509notBefore. A buffer overflow may occur when parsing date fields from a crafted X.509 certificate...

CVE-2026-5448

The CVE-2026-5448 entry describes a X.509 date buffer overflow in wolfSSL_X509_notAfter/notBefore triggered when parsing date fields via the compatibility layer API. The flaw may occur when an application directly calls these APIs; TLS handshake and certificate verification are not affected. Affe...