PT-2026-31827 · Wolfssl · Wolfssl

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CVE-2026-5448

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Published

2026-04-09

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Updated

2026-07-14

CVSS v3.1

4.3

Medium

VectorAV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Name of the Vulnerable Software and Affected Versions wolfSSL (affected versions not specified)
Description A buffer overflow may occur when parsing date fields from a crafted X.509 certificate via the compatibility layer API. This issue is triggered when directly calling the wolfSSL X509 notAfter() and wolfSSL X509 notBefore() APIs from an application, and does not affect TLS or certificate verify operations within wolfSSL.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Heap Based Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-5448
JLSEC-2026-724

Affected Products

Wolfssl