CVE-2026-5500

wolfSSL's wcPKCS7DecodeAuthEnvelopedData does not properly sanitize the AES-GCM authentication tag length received and has no lower bounds check. A man-in-the-middle can therefore truncate the mac field from 16 bytes to 1 byte, reducing the tag check from 2⁻¹²⁸ to 2⁻⁸...

Linux Distros Unpatched Vulnerability : CVE-2026-5460

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap use-after-free exists in wolfSSL's TLS 1.3 post-quantum cryptography PQC hybrid KeyShare processing. In the error handling path of...

Linux Distros Unpatched Vulnerability : CVE-2026-5479

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In wolfSSL's EVP layer, the ChaCha20-Poly1305 AEAD decryption path in wolfSSLEVPCipherFinal and related EVP cipher finalization functions fails to verify the...

wolfSSL（CyaSSL） 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the American company wolfSSL, aimed at developers working with embedded systems. There is a security vulnerability in wolfSSL, where the ECCSI signature verifier does not check the scalar range, allowing specially...

wolfSSL 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the American company wolfSSL, designed for developers working with embedded systems. There is a security vulnerability in wolfSSL, which stems from an out-of-bounds read during the processing of double-algorithm...

CVE-2026-5466: Improper Verification of Cryptographic Signature

wolfSSL's ECCSI signature verifier wcVerifyEccsiHash decodes the r and s scalars from the signature blob via mpreadunsignedbin with no check that they lie in 1, q-1. A crafted forged signature could verify against any message for any identity, using only publicly-known constants...

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-2026-5188

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An integer underflow issue exists in wolfSSL when parsing the Subject Alternative Name SAN extension of X.509 certificates. A malformed certificate can specify ...

Linux Distros Unpatched Vulnerability : CVE-2026-5466

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wolfSSL's ECCSI signature verifier wcVerifyEccsiHash decodes the r and s scalars from the signature blob via mpreadunsignedbin with no check that they lie in 1,...

Linux Distros Unpatched Vulnerability : CVE-2026-5504

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A padding oracle exists in wolfSSL's PKCS7 CBC decryption that could allow an attacker to recover plaintext through repeated decryption queries with modified...

PT-2026-31862

Name of the Vulnerable Software and Affected Versions wolfSSL affected versions not specified Description The ECCSI signature verifier wc VerifyEccsiHash in wolfSSL decodes the r and s scalars from the signature blob using mp read unsigned bin without verifying that these values fall within the...

Linux Distros Unpatched Vulnerability : CVE-2026-5500

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wolfSSL's wcPKCS7DecodeAuthEnvelopedData does not properly sanitize the AES-GCM authentication tag length received and has no lower bounds check. A...

Linux Distros Unpatched Vulnerability : CVE-2026-5503

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In TLSXEchChangeSNI, the ctx-extensions branch set extensions unconditionally even when TLSXFind returned NULL. This caused TLSXUseSNI to attach the...

wolfSSL（CyaSSL） 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the American company wolfSSL, aimed at developers working with embedded systems. wolfSSL CyaSSL has security vulnerabilities; one of these vulnerabilities stems from heap out-of-bound reading during PKCS7 parsing,...

CVE-2026-5393: Out-of-bounds Read

Dual-Algorithm CertificateVerify out-of-bounds read. When processing a dual-algorithm CertificateVerify message, an out-of-bounds read can occur on crafted input. This can only occur when --enable-experimental and --enable-dual-alg-certs is used when building wolfSSL...

wolfSSL（CyaSSL） 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the American company wolfSSL, designed for developers working with embedded systems. wolfSSL CyaSSL has security vulnerabilities; these vulnerabilities stem from integer overflows in the wolfCrypt CMAC implementatio...

wolfSSL（CyaSSL） 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the US company wolfSSL, designed for developers working with embedded systems. There are security vulnerabilities in wolfSSL CyaSSL, particularly related to the wcPKCS7DecodeAuthEnvelopedData function. This function...

wolfSSL 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the American company wolfSSL, designed for developers working with embedded systems. There is a security vulnerability in wolfSSL, which stems from a buffer overflow issue during the parsing of X.509 certificate dat...

CVE-2026-5460

A heap use-after-free exists in wolfSSL's TLS 1.3 post-quantum cryptography PQC hybrid KeyShare processing. In the error handling path of TLSXKeyShareProcessPqcHybridClient in src/tls.c, the inner function TLSXKeyShareProcessPqcClientex frees a KyberKey object upon encountering an error. The call...

CVE-2026-5466

wolfSSL's ECCSI signature verifier wcVerifyEccsiHash decodes the r and s scalars from the signature blob via mpreadunsignedbin with no check that they lie in 1, q-1. A crafted forged signature could verify against any message for any identity, using only publicly-known constants...