CVE-2026-35058

A flaw was found in OpenVPN. This vulnerability, caused by improper validation of packet length during tls-crypt-v2 key extraction, allows an authenticated attacker to send a specially crafted packet. Successful exploitation can trigger a fatal assertion, leading to a denial of service DoS...

PT-2026-50528

Name of the Vulnerable Software and Affected Versions libssh2 versions prior to 1.11.2 Description An out-of-bounds write issue exists in the ssh2 transport read function due to an integer overflow and a failure to enforce upper bounds on the packet length field. A remote attacker operating a...

OESA-2026-2626 openvpn security update

OpenVPN is a full-featured open source SSL VPN solution that accommodates a wide range of configurations, including remote access, site-to-site VPNs, Wi-Fi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls. Starting with the...

Russh: Unchecked keyboard-interactive prompt count in client auth path

Summary In the russh client keyboard-interactive authentication path, a malicious SSH server could send a USERAUTHINFOREQUEST with an attacker-controlled prompt count, and the client would use that raw count directly in Vec::withcapacity... before validating that enough prompt data was actually...

CVE-2026-11774

An integer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. In sasliostartpacket, adding sizeofuint32t to a crafted SASL packet length prefix of 0xFFFFFFFC causes unsigned wraparound to zero, bypassing the nsslapd-maxsasliosize limit and leading to a heap buffer...

CVE-2026-11774

CVE-2026-11774 affects the SASL I/O layer in 389-ds-base (389 Directory Server). A crafted SASL packet with a length prefix of 0xFFFFFFFC triggers an unsigned wraparound when sasl_io_start_packet() adds sizeof(uint32_t), bypassing nsslapd-maxsasliosize and causing a heap buffer overflow of up to ...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

ALPINE-CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

EUVD-2026-35197

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

SUSE CVE-2026-46186

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

CVE-2026-46186

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

slip: bound decode() reads against the compressed packet length

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PT-2026-44309

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The virtbt rx handle function in the Bluetooth virtio bt driver fails to validate that the remaining payload length is sufficient to cover the fixed HCI header for the selected packet ty...

JLSEC-2026-566 In GnuPG before 2.5.17, a long signature packet length causes `parse_signature` to return success...

In GnuPG before 2.5.17, a long signature packet length causes parsesignature to return success with sig-data set to a NULL value, leading to a denial of service application crash...

CVE-2026-46043 RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before payloadsize in rxercv rxercv currently checks only that the incoming packet is at least headersizepkt bytes long before payloadsize is used. However, payloadsize subtracts both the...