CVE-2026-0819 | wolfSSL up to 5.8.x wc_PKCS7_BuildSignedAttributes capacity stack-based overflow

March 19, 2026 Yanac

A vulnerability identified as critical has been detected in wolfSSL up to 5.8.x. The affected element is the function wc_PKCS7_BuildSignedAttributes. The manipulation of the argument capacity leads to stack-based buffer overflow.

This vulnerability is documented as CVE-2026-0819. The attack can be initiated remotely. There is not any exploit available.

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