Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-2031)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2031 advisory. A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie- Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Informatio...

ALSA-2026:50144 Moderate: libgcrypt security update

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms. Security Fixes: Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext CVE-2026-41989 For more details about the security issues, including the impact, a CVSS score...

Moderate: libgcrypt security update

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms. Security Fixes: Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext CVE-2026-41989 For more details about the security issues, including the impact, a CVSS score...

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...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value enabling MAC forgery, in the IESEngine class when initialized through the 4-argument init without a block cipher, where the KDF is seeded only from the ECDH shared secret and split into a...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power of the local static private key x without any range or subgroup-membership check, while...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power of the local static private key x without any range or subgroup-membership check, while...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power of the local static private key x without any range or subgroup-membership check, while...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power of the local static private key x without any range or subgroup-membership check, while...

Improper Input Validation

Overview org.bouncycastle:bcprov-jdk15to18 is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power...

Improper Input Validation

Overview org.bouncycastle:bcprov-jdk15on is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power o...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power of the local static private key x without any range or subgroup-membership check, while...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power of the local static private key x without any range or subgroup-membership check, while...

Improper Input Validation

Overview org.bouncycastle:bcprov-jdk14 is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power of...

DEBIAN-CVE-2026-59650

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

UBUNTU-CVE-2026-59650

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-59650

Bouncy Castle for Java up to 1.84 (and Java LTS up to 2.73.11) is affected by CVE-2026-59650: MTI/A0 DH key exchange exponentiates an unvalidated peer value. This can impact confidentiality and integrity as described in the CVE, with overall severity listed as CRITICAL (CVSS 9.3). The issue is fi...

CVE-2026-59650 MTI/A0 DH agreement exponentiates unvalidated peer value

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-59650

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-59650 MTI/A0 DH agreement exponentiates unvalidated peer value

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...