WO
Product
wolfssl
152
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 27High 55Medium 66Low 4
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Add wolfssl to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-7531 | 9.8 | Jun 25 | Use-after-free in PQC hybrid key-share handling Affected: 5.8.0 through 5.9.1 |
| CVE-2026-5264 | 9.8 | Apr 9 | DTLS 1.3 ACK heap buffer overflow Affected: before 5.9.1 |
| CVE-2026-5187 | 9.8 | Apr 9 | Heap Out-of-Bounds Write in DecodeObjectId() in wolfSSL Affected: through 5.9.0 |
| CVE-2026-4395 | 9.8 | Mar 19 | Heap-based buffer overflow in wc_ecc_import_x963_ex KCAPI path Affected: through 5.8.4 |
| CVE-2026-3849 | 9.8 | Mar 19 | Buffer Overflow in HPKE via Oversized ECH Config Affected: 5.6.0 before 5.9.0 |
| CVE-2026-3549 | 9.8 | Mar 19 | ECH parsing heap buffer overflow Affected: before 5.9.0 |
| CVE-2026-3548 | 9.8 | Mar 19 | Buffer overflow in CRL number parsing in wolfSSL Affected: before 5.9.0 |
| CVE-2025-7394 | 9.8 | Jul 18 | In the OpenSSL compatibility layer implementation, the function RAND_poll() was not behaving as expected and leading to the potential for predictable values returned from… Affected: 3.15.0 through 5.8.0 |
| CVE-2021-37155 | 9.8 | Jul 21 | wolfSSL 4.6.x through 4.7.x before 4.8.0 does not produce a failure outcome when the serial number in an OCSP request differs from the serial number in the OCSP response Affected: 4.6.0 before 4.8.0 |
| CVE-2020-36177 | 9.8 | Jan 6 | RsaPad_PSS in wolfcrypt/src/rsa.c in wolfSSL before 4.6.0 has an out-of-bounds write for certain relationships between key size and digest size Affected: before 4.6.0 |
| CVE-2014-2898 | 9.8 | Jan 28 | wolfSSL CyaSSL before 2.9.4 allows remote attackers to have unspecified impact via multiple calls to the CyaSSL_read function which triggers an out-of-bounds read when an error… Affected: before 2.9.0 |
| CVE-2014-2897 | 9.8 | Jan 28 | The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows remote attackers to have unspecified… Affected: 2.5.0 before 2.9.4 |
| CVE-2014-2896 | 9.8 | Jan 28 | The DoAlert function in the (1) TLS and (2) DTLS implementations in wolfSSL CyaSSL before 2.9.4 allows remote attackers to have unspecified impact and vectors, which trigger… Affected: 2.5.0 before 2.9.4 |
| CVE-2019-16748 | 9.8 | Sep 24 | In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking Affected: through 4.1.0 |
| CVE-2019-15651 | 9.8 | Aug 26 | wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for a crafted DER… Affected: 4.1.0 |
| CVE-2019-11873 | 9.8 | May 23 | wolfSSL 4.0.0 has a Buffer Overflow in DoPreSharedKeys in tls13.c when a current identity size is greater than a client identity size Affected: 4.0 |
| CVE-2019-6439 | 9.8 | Jan 16 | examples/benchmark/tls_bench.c in a benchmark tool in wolfSSL through 3.15.7 has a heap-based buffer overflow Affected: through 3.15.7 |
| CVE-2017-2800 | 9.8 | May 24 | A specially crafted x509 certificate can cause a single out of bounds byte overwrite in wolfSSL through 3.10.2 resulting in potential certificate validation vulnerabilities,… Affected: through 3.10.2 |
| CVE-2026-89134 | 9.1 | Sep 27 | Subject CN name-constraint check bypassed when non-DNS SAN present Affected: 5.9.2 |
| CVE-2026-6094 | 9.1 | Jun 25 | Heap buffer overread in wc_PKCS7_DecodeEnvelopedData parsing crafted PKCS7 EnvelopedData Affected: 5.8.0 through 5.9.1 |
| CVE-2026-5393 | 9.1 | Apr 9 | OOB Read in DoTls13CertificateVerify with WOLFSSL_DUAL_ALG_CERTS Affected: before 5.9.1 |
| CVE-2026-5503 | 9.1 | Apr 9 | out-of-bounds write in TLSX_EchChangeSNI via attacker-controlled publicName Affected: through 5.9.0 |
| CVE-2026-5194 | 9.1 | Apr 9 | wolfSSL ECDSA Certificate Verification Affected: 3.12.0 before 5.9.1 |
| CVE-2024-0901 | 9.1 | Mar 25 | Remotely executed SEGV and out of bounds read allows malicious packet sender to crash or cause an out of bounds read via sending a malformed packet with the correct length Affected: 3.12.2 through 5.6.6 |
| CVE-2023-6936 | 9.1 | Feb 20 | In wolfSSL prior to 5.6.6, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS client or network attacker can trigger a buffer over-read on… Affected: before 5.6.6 |
| CVE-2022-42905 | 9.1 | Nov 6 | In wolfSSL before 5.5.2, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS 1.3 client or network attacker can trigger a buffer over-read on… Affected: before 5.5.2 |
| CVE-2022-23408 | 9.1 | Jan 18 | wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations Affected: 5.0.0 before 5.1.1 |
| CVE-2024-2881 | 8.8 | Aug 30 | Fault Injection vulnerability in wc_ed25519_sign_msg function in wolfssl/wolfcrypt/src/ed25519.c in WolfSSL wolfssl5.6.6 on Linux/Windows allows remote attacker co-resides in the… Affected: 5.6.6 |
| CVE-2024-1545 | 8.8 | Aug 29 | Fault Injection vulnerability in RsaPrivateDecryption function in wolfssl/wolfcrypt/src/rsa.c in WolfSSL wolfssl5.6.6 on Linux/Windows allows remote attacker co-resides in the… Affected: 5.6.6 |
| CVE-2023-3724 | 8.8 | Jul 17 | If a TLS 1.3 client gets neither a PSK (pre shared key) extension nor a KSE (key share extension) when connecting to a malicious server, a default predictable buffer gets used for… Affected: before 5.6.2 |
| CVE-2026-89136 | 8.3 | Sep 27 | Client accepts unsolicited RawPublicKey server certificate type Affected: 5.6.0 through 5.9.2 |
| CVE-2026-93302 | 8.2 | Sep 27 | Trusted peer certificate match ignores public key, allowing forged CA clones Affected: 5.3.0 through 5.9.2 |
| CVE-2025-11931 | 8.2 | Nov 21 | Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt Affected: 5.8.4 |
| CVE-2026-5188 | 8.1 | Apr 10 | Integer underflow in X.509 SAN parsing in wolfSSL Affected: through 5.9.0 |
| CVE-2026-5501 | 8.1 | Apr 10 | Improper Certificate Signature Verification in X.509 Chain Validation Allows Forged Leaf Certificates Affected: through 5.9.0 |
| CVE-2026-5466 | 8.1 | Apr 10 | wc_VerifyEccsiHash missing sanity check Affected: before 5.9.1 |
| CVE-2026-5479 | 8.1 | Apr 10 | wolfSSL EVP ChaCha20-Poly1305 AEAD authentication tag Affected: before 5.9.1 |
| CVE-2026-2646 | 8.1 | Mar 19 | Heap buffer overflow in session parsing with wolfSSL_d2i_SSL_SESSION() function Affected: through 5.8.4 |
| CVE-2021-3336 | 8.1 | Jan 29 | DoTls13CertificateVerify in tls13.c in wolfSSL before 4.7.0 does not cease processing for certain anomalous peer behavior (sending an ED22519, ED448, ECC, or RSA signature without… Affected: before 4.7.0 |
| CVE-2026-5295 | 8.0 | Apr 9 | Stack Buffer Overflow in wolfSSL PKCS7 wc_PKCS7_DecryptOri() via Oversized OID Affected: before 5.9.1 |
| CVE-2017-8854 | 7.8 | May 9 | wolfSSL before 3.10.2 has an out-of-bounds memory access with loading crafted DH parameters, aka a buffer overflow triggered by a malformed temporary DH file Affected: through 3.10.0a |
| CVE-2026-94418 | 7.5 | Sep 27 | Signature failure masked by date error under WOLFSSL_SMALL_CERT_VERIFY Affected: 3.15.5 through 5.9.2 |
| CVE-2026-7511 | 7.5 | Jun 25 | PKCS7_verify signer confusion allows forged signatures to be accepted Affected: 3.15.5 through 5.9.1 |
| CVE-2026-7532 | 7.5 | Jun 25 | iPAddress name constraints not enforced when WOLFSSL_IP_ALT_NAME is undefined Affected: through 5.9.1 |
| CVE-2026-8720 | 7.5 | Jun 25 | HMAC-BLAKE2 final discards message when key length exceeds block size Affected: 5.9.0 through 5.9.1 |
| CVE-2026-11703 | 7.5 | Jun 25 | Missing SNI/ALPN binding on stateful (session-ID) TLS session resumption Affected: 3.15.0 through 5.9.1 |
| CVE-2026-6325 | 7.5 | Jun 25 | Out-of-bounds write in SetSuitesHashSigAlgo on oversized signature algorithms list Affected: 4.8.0 through 5.9.1 |
| CVE-2026-6331 | 7.5 | Jun 25 | HMAC zero-length tag forgery in EVP_DigestVerifyFinal Affected: 3.15.5 through 5.9.1 |
| CVE-2026-6679 | 7.5 | Jun 25 | DTLS 1.3 ACK serialization heap buffer overflow via integer truncation Affected: 5.4.0 through 5.9.0 |
| CVE-2026-6731 | 7.5 | Jun 25 | X.509 name constraint bypass via Subject CN treated as a DNS name Affected: 3.9.10 through 5.9.1 |
