Astra Linux – Vulnerability in libssh2

In libssh2 before version 1.9.0, the kexmethoddiffiehellmangroupexchangesha256keyexchange function in kex.c contains an integer overflow that could lead to an out-of-bounds read when packets are read from the server. A remote attacker who compromises an SSH server may be able to disclose sensitiv...

Astra Linux – Vulnerability in mbedtls

A issue was discovered in Mbed TLS before version 2.25.0 and before versions 2.16.9 LTS and 2.7.18 LTS. The calculations performed by mbedtlsmpiexpmod are not limited; therefore, providing overly large parameters could lead to a denial of service when generating Diffie-Hellman key pairs...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi – avoid null pointer dereference in mpicmpui During NVMeTCP authentication, a controller can trigger a kernel oops by specifying the 8192-bit Diffie Hellman group and passing a correctly sized, but zeroed Diffie...

JLSEC-2026-244 Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH...

Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow. Impact summary: Applications that use the functions DHgeneratekey to generate an X9.42 DH key may experience long delays. Likewise, applications that use...

JLSEC-2026-241 Issue summary: Checking excessively long DH keys or parameters may be very slow. Impact summary:...

Issue summary: Checking excessively long DH keys or parameters may be very slow. Impact summary: Applications that use the functions DHcheck, DHcheckex or EVPPKEYparamcheck to check a DH key or DH parameters may experience long delays. Where the key or parameters that are being checked have been...

CVE-2026-41989

A flaw was found in Libgcrypt. A remote attacker could exploit this vulnerability by sending crafted Elliptic Curve Diffie-Hellman ECDH ciphertext to the gcrypkdecrypt function. This can lead to a heap-based buffer overflow, potentially causing a denial of service DoS condition. Mitigation...

EUVD-2026-25192

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcrypkdecrypt...

CVE-2026-41989

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcrypkdecrypt...

rust-openssl: Deriver::derive and PkeyCtxRef::derive can overflow short buffers on OpenSSL 1.1.1

Deriver::derive and PkeyCtxRef::derive sets len = buf.len and passes it as the in/out length to EVPPKEYderive, relying on OpenSSL to honor it. On OpenSSL 1.1.x, X25519, X448, DH and HKDF-extract ignore the incoming keylen, unconditionally writing the full shared secret 32/56/prime-size bytes. A...

UBUNTU-CVE-2026-35332

NULL-Pointer Dereference When Handling ECDH Public Value in TLS...

PT-2026-34619

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.27 to before 0.10.78, Deriver::derive and PkeyCtxRef::derive sets len = buf.len and passes it as the in/out length to EVP PKEY derive, relying on OpenSSL to honor it. On OpenSSL 1.1.x, X25519, X448, DH and...

PT-2026-36652

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description The built-in SSH server uses default configurations that advertise weak or broken key exchange, MAC, and host key algorithms. Specifically, the server supports the ecdh-sha2-nistp256,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013082)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013082 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - avoid null pointer deref in mpicmpui During NVMeTCP Authentication a controller...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011245)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011245 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - avoid null pointer deref in mpicmpui During NVMeTCP Authentication a controller...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-007393)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007393 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: qat - add param check for DH Reject requests with a source buffer that is bigger than the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007422)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007422 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - avoid null pointer deref in mpicmpui During NVMeTCP Authentication a controller...

SUSE 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...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2026-34872

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-34875

A flaw was found in Mbed TLS and TF-PSA-Crypto. This vulnerability, a buffer overflow, occurs during the export of public keys for FFDH Finite Field Diffie-Hellman keys. A remote attacker could exploit this to potentially execute arbitrary code, gaining full control over the affected system, or...