OESA-2026-2404 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

SUSE-SU-2026:21867-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short ciphertexts bsc1263715. - CVE-2026-5419: gnutlscipherdecrypt3: make PKCS7 unpadding...

SUSE-SU-2026:21784-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short ciphertexts bsc1263715. - CVE-2026-5419: gnutlscipherdecrypt3: make PKCS7 unpadding...

Improper Check for Dropped Privileges

Overview Affected versions of this package are vulnerable to Improper Check for Dropped Privileges due to the omission of constraint extensions such as [email protected] when adding a key to a remote agent. An attacker can bypass intended key usage restrictions by forwarding ke...

Improper Check for Dropped Privileges

Overview Affected versions of this package are vulnerable to Improper Check for Dropped Privileges due to the omission of constraint extensions such as [email protected] when adding a key to a remote agent. An attacker can bypass intended key usage restrictions by forwarding ke...

CVE-2026-39833

The in-memory keyring returned by NewKeyring silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring now returns an error when...

CVE-2026-39832

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

CVE-2026-39833 Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

The in-memory keyring returned by NewKeyring silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring now returns an error when...

CVE-2026-39833 Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

The in-memory keyring returned by NewKeyring silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring now returns an error when...

CVE-2026-39832 Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

CVE-2026-39833 Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

The in-memory keyring returned by NewKeyring silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring now returns an error when...

CVE-2026-39832 Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

CVE-2026-39832 Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

GO-2026-5006 Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

GO-2026-5005 Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

The in-memory keyring returned by NewKeyring silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring now returns an error when...

PT-2026-42711

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Constraint extensions, such as [email protected], were not serialized in requests when adding a key to a remote agent. This caused destination...

Google Go 安全漏洞

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go, which stems from the unserialized constraints when adding keys. This vulnerability may lead to the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: eclipse-ecf (UTSA-2026-016602)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016602 advisory. The ServerTrustManager component in the Ignite Realtime Smack XMPP API before 4.0.0-rc1 does not verify basicConstraints and nameConstraints in X.509 certificate...

PT-2026-42712

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The in-memory keyring returned by the NewKeyring function silently accepted keys with the ConfirmBeforeUse constraint but failed to enforce it. This allowed keys...

CLSA-2026-1779355613 Fix CVE(s): CVE-2026-3833

SECURITY UPDATE: nameConstraints case-sensitive comparison bypass - debian/patches/CVE-2026-3833.patch: perform case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing, fixing excludedSubtrees / permittedSubtrees bypass via letter-casing in the SAN....