PT-2026-29589

Name of the Vulnerable Software and Affected Versions Mbed TLS versions 3.5.x and 3.6.x through 3.6.5 TF-PSA-Crypto version 1.0 Description A flaw exists due to improper input validation in Finite-Field Diffie-Hellman FFDH, leading to a lack of contributory behavior. An attacker can manipulate th...

CVE-2026-34872

An issue was discovered in Mbed TLS 3.5.x and 3.6.x through 3.6.5 and TF-PSA-Crypto 1.0. There is a lack of contributory behavior in FFDH due to improper input validation. Using finite-field Diffie-Hellman, the other party can force the shared secret into a small set of values lack of contributor...

CVE-2026-34875

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

CVE-2026-34875

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

CVE-2026-34875

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

CVE-2026-34875

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

CVE-2026-34872

In Mbed TLS versions 3.5.x and 3.6.x up to 3.6.5, and TF-PSA-Crypto 1.0, there is a fault in finite-field Diffie-Hellman (FFDH) due to improper input validation that results in a lack of contributory behavior. The peer can force the shared secret into a small set of values, which matters for prot...

CVE-2026-34875

CVE-2026-34875 concerns a buffer overflow in the public key export path for FFDH keys in Mbed TLS up to version 3.6.5 and TF-PSA-Crypto 1.0.0. The evidence in the connected documents confirms the root cause as a buffer overflow during public key export, affecting the FFDH key handling. No exploit...

CVE-2026-34872

An issue was discovered in Mbed TLS 3.5.x and 3.6.x through 3.6.5 and TF-PSA-Crypto 1.0. There is a lack of contributory behavior in FFDH due to improper input validation. Using finite-field Diffie-Hellman, the other party can force the shared secret into a small set of values lack of contributor...

CVE-2026-3230

A flaw was found in wolfSSL. A remote attacker could exploit a missing cryptographic step in the Transport Layer Security TLS 1.3 client HelloRetryRequest handshake logic. By sending a crafted HelloRetryRequest followed by a ServerHello message that omits the required keyshare extension, an...

EUVD-2026-13209

Missing required cryptographic step in the TLS 1.3 client HelloRetryRequest handshake logic in wolfSSL could lead to a compromise in the confidentiality of TLS-protected communications via a crafted HelloRetryRequest followed by a ServerHello message that omits the required keyshare extension,...

CVE-2026-3230

wolfSSL’s TLS 1.3 client logic is affected by an improper key_share handling during HelloRetryRequest, allowing a crafted HelloRetryRequest followed by a ServerHello without the key_share extension to derive predictable traffic secrets from the (EC)DHE shared secret. Affected component: TLS hands...

PT-2026-26366

Missing required cryptographic step in the TLS 1.3 client HelloRetryRequest handshake logic in wolfSSL could lead to a compromise in the confidentiality of TLS-protected communications via a crafted HelloRetryRequest followed by a ServerHello message that omits the required key share extension,...

Botan C++ Crypto Algorithms Library 3.11.0

Botan is a C++ library of cryptographic algorithms, including AES, DES, SHA-1, RSA, DSA, Diffie-Hellman, and many others. It also supports X.509 certificates and CRLs, and PKCS 10 certificate requests, and has a high level filter/pipe message processing system. The library is easily portable to...

CIRCL has an incorrect calculation in secp384r1 CombinedMult

The CombinedMult function in the CIRCL ecc/p384 package secp384r1 curve produces an incorrect value for specific inputs. The issue is fixed by using complete addition formulas. ECDH and ECDSA signing relying on this curve are not affected. The bug was fixed in v1.6.3...

CVE-2026-1229 Incorrect calculation in CIRCL secp384r1 CombinedMult

The CombinedMult function in the CIRCL ecc/p384 package secp384r1 curve produces an incorrect value for specific inputs. The issue is fixed by using complete addition formulas. ECDH and ECDSA signing relying on this curve are not affected. The bug was fixed in v1.6.3...

CVE-2026-1229 Incorrect calculation in CIRCL secp384r1 CombinedMult

The CombinedMult function in the CIRCL ecc/p384 package secp384r1 curve produces an incorrect value for specific inputs. The issue is fixed by using complete addition formulas. ECDH and ECDSA signing relying on this curve are not affected. The bug was fixed in v1.6.3...

openssl security update

1.0.2k-26.0.1fips - Change Epoch from 1 to 10 - Fix DH self-test to add shared secret comparison Orabug: 32467026 - Add DH support changes for SP 800-56A rev3 requirements Orabug: 32467059 - Add TLS KDF self-test Orabug: 32467193 - Add EC keys pairwise consistency test Orabug: 32467059...

GHSA-435G-FCV3-8J26 Bug-Fixes in `libcrux-ecdh`, `libcrux-ed25519`, `libcrux-psq`

In accordance with our security policy for libcrux, we publish a GitHub security advisory for any releases whose CHANGELOG includes bug-fixes, and encourage our users to upgrade. The latest releases of the libcrux-ecdh, libcrux-ed25519 and libcrux-psq crates contain the following bug-fixes:...

PYSEC-2026-2141

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the publickeyfromnumbers or EllipticCurvePublicNumbers.publickey, EllipticCurvePublicNumbers.publickey, loadderpublickey and loadpempublickey functions do not verify that the...