Astra Linux – Vulnerability in gnutls28

A timing side-channel vulnerability in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be used to recover the key encrypted in the RSA ciphertext across a network, in a Bleichenbacher-style attack. To successfully decrypt the data, the attacker would...

CVE-2026-12932

A flaw was found in OpenVPN. A memory leak in the tls-crypt-v2 client key extraction allows remote attackers to cause a denial of service DoS. By sending a flood of specially crafted packets, an attacker can exhaust the system's memory, making the service unavailable...

SUSE CVE-2026-6720

When calicoctl is invoked with --log-level=info or --log-level=debug, the client prints the full contents of its loaded connection-configuration struct to stderr in a single log line. The struct embeds every credential calicoctl uses to talk to the cluster - inline kubeconfig with bearer token,...

ALPINE-CVE-2026-12932

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service memory exhaustion via a flood of crafted packets...

SUSE CVE-2026-41185

When Calico is configured with the Azure IPAM plugin, the Calico CNI binary mutates the incoming CNI configuration to attach subnet information before delegating to the IPAM plugin. After mutating, the Azure IPAM helper logs the entire unmarshaled configuration map stdinData at INFO level to...

CVE-2026-12932

CVE-2026-12932 is a memory-leak vulnerability in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0–2.6.20 and 2.7_alpha1–2.7.4 that can be exploited remotely by a flood of crafted packets to cause memory exhaustion/DoS. Public advisories/OSV entries indicate fixes in later OpenVPN releases ...

CVE-2026-12932

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service memory exhaustion via a flood of crafted packets...

JLSEC-2026-701

In wolfSSL 5.8.2 and earlier, a logic flaw existed in the TLS 1.2 server state machine implementation. The server could incorrectly accept the CertificateVerify message before the ClientKeyExchange message had been received. This issue affects wolfSSL before 5.8.4 wolfSSL 5.8.2 and earlier is...

CVE-2026-13698

A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service...

CVE-2026-13698

A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service...

CVE-2026-4482

The installer certificate files in the …/bootstrap/common/ssl folder do not seem to have restricted permissions on Windows systems users have read and execute access. For the client.key file in particular, this could potentially lead to exploits, as this exposes agent identity material to any...

GHSA-M67G-87RX-V42C Calico Inserts Sensitive Information into Log File

When Calico is configured with the Azure IPAM plugin, the Calico CNI binary mutates the incoming CNI configuration to attach subnet information before delegating to the IPAM plugin. After mutating, the Azure IPAM helper logs the entire unmarshaled configuration map stdinData at INFO level to...

Calico Inserts Sensitive Information into Log File

When Calico is configured with the Azure IPAM plugin, the Calico CNI binary mutates the incoming CNI configuration to attach subnet information before delegating to the IPAM plugin. After mutating, the Azure IPAM helper logs the entire unmarshaled configuration map stdinData at INFO level to...

EUVD-2026-32933

When Calico is configured with the Azure IPAM plugin, the Calico CNI binary mutates the incoming CNI configuration to attach subnet information before delegating to the IPAM plugin. After mutating, the Azure IPAM helper logs the entire unmarshaled configuration map stdinData at INFO level to...

PT-2026-55402

When Calico is configured with the Azure IPAM plugin, the Calico CNI binary mutates the incoming CNI configuration to attach subnet information before delegating to the IPAM plugin. After mutating, the Azure IPAM helper logs the entire unmarshaled configuration map stdinData at INFO level to...

JLSEC-2026-524

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS1 v1.5 padding...

PT-2026-47002

A flaw was found in gnutls. A use after free issue in client sending key share extension may lead to memory corruption and other consequences...

The vulnerability of the tls_crypt_v2_extract_client_key() function in the OpenVPN software allows a hacker to trigger a service failure.

The vulnerability of the tlscryptv2extractclientkey function in the OpenVPN software is related to an uncontrolled and exploitable flaw. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

OpenVPN TLS Crypt v2 Client Key Extraction denial of service vulnerability

Talos Vulnerability Report TALOS-2026-2381 OpenVPN TLS Crypt v2 Client Key Extraction denial of service vulnerability April 27, 2026 CVE Number CVE-2026-35058 SUMMARY A reachable assertion vulnerability exists in the TLS Crypt v2 Client Key Extraction functionality of OpenVPN 2.6.x and 2.8git. A...

EUVD-2026-21303

The installer certificate files in the …/bootstrap/common/ssl folder do not seem to have restricted permissions on Windows systems users have read and execute access. For the client.key file in particular, this could potentially lead to exploits, as this exposes agent identity material to any...