120 matches found
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-2026-1142 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-2026-1138 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...
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
CVE-2026-42770 affects OpenSSL FIPS modules (4.0, 3.6, 3.5, 3.4, 3.0) and related deployments using EVP_PKEY_derive_set_peer() with DHX/X9.42 keys. The vulnerability arises when the subgroup check Y^q ≡ 1 (mod p) uses the peer’s q instead of the local key’s q, allowing a malicious X9.42 peer to c...
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...
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...
PT-2026-47834
Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description A NULL pointer dereference occurs in the OpenSSL QUIC server when receiving a QUIC initial packet containing an invalid or expired token. This issue is triggered specifically when address...
PT-2026-47840
Name of the Vulnerable Software and Affected Versions OpenSSL FIPS modules versions 3.0, 3.4, 3.5, 3.6, and 4.0 Description When the EVP PKEY derive set peer function is called with a DHX X9.42 peer key, the software fails to properly verify subgroup membership. Specifically, the check Y^q ≡ 1 mo...
PT-2026-47844
Name of the Vulnerable Software and Affected Versions OpenSSL version 4.0 OpenSSL version 3.6 OpenSSL version 3.5 OpenSSL version 3.4 OpenSSL version 3.0 OpenSSL version 1.1.1 OpenSSL version 1.0.2 Description A use-after-free condition occurs during PKCS7 signature verification when processing a...