122 matches found
Astra Linux – Vulnerability in OpenSSL
Issue summary: A timing side-channel that could potentially allow the recovery of the private key exists in the ECDSA signature computation. Impact summary: A timing side-channel in ECDSA signature computations could allow an attacker to recover the private key. However, measuring the timing woul...
JLSEC-2026-1142 Issue summary: When EVP_PKEY_derive_set_peer() is called with a DHX (X9.42) peer key, the peer...
Issue summary: When EVPPKEYderivesetpeer is called with a DHX X9.42 peer key, the peer key is not properly checked for the subgroup membership. Impact summary: A malicious peer which presents an X9.42 key carrying the victim's p and g parameters, a forged q = r a small prime factor of the cofacto...
JLSEC-2026-1155 Issue summary: A signed integer overflow when sizing the destination buffer for Unicode output in...
Issue summary: A signed integer overflow when sizing the destination buffer for Unicode output in ASN1mbstringncopy can lead to a heap buffer overflow. Impact summary: A heap buffer overflow may lead to a crash or possibly attacker controlled code execution or other undefined behaviour. In...
JLSEC-2026-1138 Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer...
Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer dereference leads to an application crash and a Denial of Service. The CMS PasswordRecipientInfo.keyDerivationAlgorithm field is define...
EulerOS 2.0 SP15 : openssl (EulerOS-SA-2026-2497)
According to the versions of the openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Issue summary: Applications using RSASVE key encapsulation to establishx000D a secret encryption key can send contents of an uninitialized memory...
SUSE CVE-2026-42770
Issue summary: When EVPPKEYderivesetpeer is called with a DHX X9.42 peer key, the peer key is not properly checked for the subgroup membership. Impact summary: A malicious peer which presents an X9.42 key carrying the victim's p and g parameters, a forged q = r a small prime factor of the cofacto...
Linux Distros Unpatched Vulnerability : CVE-2026-42770
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Issue summary: When EVPPKEYderivesetpeer is called with a DHX X9.42 peer key, the peer key is not properly checked for the subgroup membership. Impact summary: ...
Linux Distros Unpatched Vulnerability : CVE-2026-42764
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Issue summary: Receiving a QUIC initial packet with an invalid token may trigger a NULL pointer dereference in the OpenSSL QUIC server with address validation...
EUVD-2026-35484
Issue summary: An attacker-controlled CMP Certificate Management Protocol server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Denial of Service. An attacker controlling a CMP server or acti...
EUVD-2026-35481
Issue summary: Receiving a QUIC initial packet with an invalid token may trigger a NULL pointer dereference in the OpenSSL QUIC server with address validation disabled. Impact summary: NULL pointer dereference typically causes abnormal termination of the affected QUIC server process and a Denial ...
ALPINE-CVE-2026-42770
Issue summary: When EVPPKEYderivesetpeer is called with a DHX X9.42 peer key, the peer key is not properly checked for the subgroup membership. Impact summary: A malicious peer which presents an X9.42 key carrying the victim's p and g parameters, a forged q = r a small prime factor of the cofacto...
CVE-2026-42770
The OpenSSL library is vulnerable to a small-subgroup-confinement attack (Lim–Lee) due to insufficient subgroup membership checks when EVP_PKEY_derive_set_peer() is used with DHX (X9.42) peer keys. The software fails to validate that the peer's q parameter matches the local key's q parameter, all...
CVE-2026-42770 FFC-DH Peer Validation Uses Attacker-Supplied q
Issue summary: When EVPPKEYderivesetpeer is called with a DHX X9.42 peer key, the peer key is not properly checked for the subgroup membership. Impact summary: A malicious peer which presents an X9.42 key carrying the victim's p and g parameters, a forged q = r a small prime factor of the cofacto...
CVE-2026-42766 Possible NULL Dereference in Password-Based CMS Decryption
Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer dereference leads to an application crash and a Denial of Service. The CMS PasswordRecipientInfo.keyDerivationAlgorithm field is define...
CVE-2026-42764 NULL Pointer Dereference in QUIC Server Initial Packet Handling
Issue summary: Receiving a QUIC initial packet with an invalid token may trigger a NULL pointer dereference in the OpenSSL QUIC server with address validation disabled. Impact summary: NULL pointer dereference typically causes abnormal termination of the affected QUIC server process and a Denial ...
CVE-2026-34183
Issue summary: Remote peer may exhaust heap memory of the QUIC server or client by flooding it with packets containing PATHCHALLENGE frames. Impact summary: A malicious remote peer can cause an unbounded memory allocation which can lead to an abnormal termination of the application acting as a QU...
FFC-DH Peer Validation Uses Attacker-Supplied q
Issue summary: When EVPPKEYderivesetpeer is called with a DHX X9.42 peer key, the peer key is not properly checked for the subgroup membership. Impact summary: A malicious peer which presents an X9.42 key carrying the victim’s p and g parameters, a forged q = r a small prime factor of the cofacto...
PT-2026-47832
Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description A remote peer can cause unbounded memory allocation leading to a Denial of Service and abnormal termination of an application acting as a QUIC client or server. This occurs when a malicious...
CVE-2026-42770
Issue summary: When EVPPKEYderivesetpeer is called with a DHX X9.42 peer key, the peer key is not properly checked for the subgroup membership. Impact summary: A malicious peer which presents an X9.42 key carrying the victim's p and g parameters, a forged q = r a small prime factor of the cofacto...
CVE-2026-42766
Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer dereference leads to an application crash and a Denial of Service. The CMS PasswordRecipientInfo.keyDerivationAlgorithm field is define...