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Medium severity4.3NVD Advisory· Published Apr 10, 2026· Updated Apr 29, 2026

CVE-2026-5448

CVE-2026-5448

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • WolfSSL/Wolfssl2 versions
    cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*range: <5.9.1
    • (no CPE)

Patches

Vulnerability mechanics

References

1

News mentions

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