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wolfSSL — Vulnerabilities & Security Advisories 61

All 61 CVE vulnerabilities found in wolfSSL, with AI-generated Chinese analysis, references, and POCs.

This page aggregates known weaknesses and vulnerability disclosures associated with the wolfSSL cryptographic library product maintained by wolfSSL Inc. It serves as a centralized resource for tracking security issues specific to this embedded SSL/TLS implementation, covering common weakness enumerations (CWE) relevant to its codebase and deployment configurations. The content compiles publicly available security advisories, bug reports, and vulnerability details released by the vendor and third-party researchers over the past several years. This historical timeline includes updates from major releases such as the 4.x, 5.x, and 6.x series, ensuring coverage of both legacy and current support streams. Visitors can use this aggregation to monitor the security posture of wolfSSL by reviewing how specific vulnerability classes have been addressed over time. Users may also investigate individual component weaknesses to understand the root causes and mitigation strategies applied by the development team. The data facilitates deeper analysis of recurring patterns, such as buffer overflows or memory management errors, within the library’s core functions. By centralizing these records, the page supports security analysts, developers, and auditors in assessing risk, verifying patch status, and conducting compliance reviews. It does not provide real-time threat intelligence or private exploit details but focuses on documented, resolved, or acknowledged security flaws. This structured overview aids in evaluating the long-term maintenance practices and responsiveness of the wolfSSL project to emerging threats in the cryptographic ecosystem.

Vendor: wolfSSL

CVE IDTitleCVSSSeverityPublished
CVE-2026-5477 Prefix-substitution forgery via integer overflow in wolfCrypt CMAC CWE-190 7.5 -2026-04-10
CVE-2026-5188 Integer underflow in X.509 SAN parsing in wolfSSL CWE-191 6.5 -2026-04-10
CVE-2026-5500 Improper Validation of AES-GCM Authentication Tag Length in PKCS#7 Envelope Allows Authentication Bypass CWE-20 3.7 -2026-04-10
CVE-2026-5501 Improper Certificate Signature Verification in X.509 Chain Validation Allows Forged Leaf Certificates CWE-295 5.9 -2026-04-10
CVE-2026-5466 wc_VerifyEccsiHash missing sanity check CWE-347 9.1 -2026-04-10
CVE-2026-5479 wolfSSL EVP ChaCha20-Poly1305 AEAD authentication tag CWE-354 7.5 -2026-04-10
CVE-2026-5460 Heap Use-After-Free in PQC Hybrid KeyShare Error Cleanup in wolfSSL TLS 1.3 CWE-416 9.1 -2026-04-09
CVE-2026-5448 1-2 Byte Buffer Overflow in wolfSSL_X509_notAfter/notBefore CWE-122 8.1 -2026-04-09
CVE-2026-5392 wolfSSL heap OOB read in PKCS7 SignedData streaming CWE-125 9.1 -2026-04-09
CVE-2026-5393 OOB Read in DoTls13CertificateVerify with WOLFSSL_DUAL_ALG_CERTS CWE-125 9.1 -2026-04-09
CVE-2026-5295 Stack Buffer Overflow in wolfSSL PKCS7 wc_PKCS7_DecryptOri() via Oversized OID CWE-121 9.8AICriticalAI2026-04-09
CVE-2026-5503 out-of-bounds write in TLSX_EchChangeSNI via attacker-controlled publicName CWE-787 9.1AICriticalAI2026-04-09
CVE-2026-5504 PKCS7 CBC Padding Oracle — Plaintext Recovery CWE-354 7.5AIHighAI2026-04-09
CVE-2026-5507 Session Cache Restore — Arbitrary Free via Deserialized Pointer CWE-502 8.1AIHighAI2026-04-09
CVE-2026-5772 MatchDomainName 1-Byte Stack Buffer Over-Read in Hostname Validation CWE-126 7.5AIHighAI2026-04-09
CVE-2026-5778 Integer underflow leads to out-of-bounds access in sniffer ChaCha decrypt path. CWE-191 7.5AIHighAI2026-04-09
CVE-2026-5264 DTLS 1.3 ACK heap buffer overflow CWE-122 9.8AICriticalAI2026-04-09
CVE-2026-5263 URI nameConstraints not enforced in ConfirmNameConstraints() CWE-295 7.5AIHighAI2026-04-09
CVE-2026-5446 wolfSSL ARIA-GCM TLS 1.2/DTLS 1.2 GCM nonce reuse CWE-323 9.1AICriticalAI2026-04-09
CVE-2026-5447 Heap buffer overflow in CertFromX509() via AuthorityKeyIdentifier CWE-122 9.8AICriticalAI2026-04-09
CVE-2026-5187 Heap Out-of-Bounds Write in DecodeObjectId() in wolfSSL CWE-122 8.4AIHighAI2026-04-09
CVE-2026-5194 wolfSSL ECDSA Certificate Verification CWE-295 5.3AIMediumAI2026-04-09
CVE-2026-4159 wc_PKCS7_DecodeEnvelopedData 1 byte out-of-bounds read CWE-125 9.1 -2026-03-19
CVE-2026-3229 Integer Overflow in Certificate Chain Allocation CWE-122 9.8 -2026-03-19
CVE-2026-3230 Improper key_share validation in TLS 1.3 HelloRetryRequest CWE-20 7.5 -2026-03-19
CVE-2026-4395 Heap-based buffer overflow in wc_ecc_import_x963_ex KCAPI path CWE-122 9.1 -2026-03-19
CVE-2026-3849 Buffer Overflow in HPKE via Oversized ECH Config CWE-787 9.8 -2026-03-19
CVE-2026-3547 wolfSSL: out-of-bounds read (DoS) in ALPN parsing due to incomplete validation CWE-125 7.5 High2026-03-19
CVE-2026-3549 ECH parsing heap buffer overflow CWE-122 9.1 -2026-03-19
CVE-2026-3580 Compiler-induced timing leak in sp_256_get_entry_256_9 on RISC-V CWE-203 5.5 -2026-03-19

All 61 known CVE vulnerabilities affecting wolfSSL with full Chinese analysis, references, and POCs where available.