wolfSSL 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: when restoring sessions from the cache, pointers in serialized session data are not...

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 excessive read of the 1-byte stack buffer in the MatchDomainName...

PT-2026-31813

Integer underflow in wolfSSL packet sniffer = 5.9.0 allows an attacker to cause a program crash in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication tag into traffic inspected by ssl DecodePacket. The underflow wraps a 16-bit length to a large val...

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 contains security vulnerabilities; these vulnerabilities stem from the parsing of URI names during certificate chain...

wolfSSL 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. Versions of wolfSSL prior to 5.9.0 contained a security vulnerability caused by integer underflow. This vulnerability could allow...

wolfSSL 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 is a security vulnerability in wolfSSL, which stems from the PKCS7 implementation in the wcPKCS7DecryptOri function. This...

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 improper handling of the AuthorityKeyIdentifier size in the...

wolfSSL 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 has security vulnerabilities; these vulnerabilities stem from the lack of checks for hash digest size and OID. This could lead...

wolfSSL 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, which stems from a heap buffer overflow issue in the processing of DTLS 1.3 ACK messages...

PT-2026-31828

Name of the Vulnerable Software and Affected Versions wolfSSL affected versions not specified Description A heap use-after-free issue exists in wolfSSL's TLS 1.3 post-quantum cryptography PQC hybrid KeyShare processing. Specifically, within the TLSX KeyShare ProcessPqcHybridClient function in...

PT-2026-31827

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...

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. wolfSSL CyaSSL contains a security vulnerability; this vulnerability stems from the TLSXEchChangeSNI function setting extensions...

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 two potential stack overflow points in the...

ANT-2026-0JRYQPCF · wolfSSL · heap-buffer-overflow

heap-buffer-overflow high CVE-2026-5503 Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview SECURITY RESEARCH FIRM ANALYSIS Triage and disclosure were performed by Calif. Verdict: true positive Severity: high TIMELINE Dates from discovery through...

ANT-2026-K8YY7WWS · wolfSSL · improper-cert-validation

improper-cert-validation high CVE-2026-5501 Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview SECURITY RESEARCH FIRM ANALYSIS Triage and disclosure were performed by Calif. The writeup below is the document the firm sent to the maintainer...

ANT-2026-KNXJMVYC · wolfSSL · signature-bypass

signature-bypass high CVE-2026-5466 Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview SECURITY RESEARCH FIRM ANALYSIS Triage and disclosure were performed by Calif. Verdict: true positive Severity: high TIMELINE Dates from discovery through publ...

ANT-2026-SB4PHA43 · wolfSSL · Cryptographic Nonce Reuse

crypto-failure high CVE-2026-5446 Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-SB4PHA43: ARIA-GCM Nonce Reuse in TLS 1.2 Record...

ANT-2026-VV0PRKKV · wolfSSL · heap-buffer-overflow

heap-buffer-overflow medium CVE-2026-5447 Severity Claude high · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview SECURITY RESEARCH FIRM ANALYSIS Triage and disclosure were performed by Calif. Verdict: true positive Severity: medium TIMELINE Dates from discovery...

CVE-2026-3580

In wolfSSL 5.8.4, constant-time masking logic in sp256getentry2569 is optimized into conditional branches bnez by GCC when targeting RISC-V RV32I with -O3. This transformation breaks the side-channel resistance of ECC scalar multiplication, potentially allowing a local attacker to recover secret...

CVE-2026-3579

wolfSSL 5.8.4 on RISC-V RV32I architectures lacks a constant-time software implementation for 64-bit multiplication. The compiler-inserted muldi3 subroutine executes in variable time based on operand values. This affects multiple SP math functions sp256mul9, sp256sqr9, etc., leading to a timing...