gnutls: gnutls: Authentication Bypass via NUL Character in Username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

gnutls: gnutls: Authentication Bypass via NUL Character in Username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

CVE-2026-36616

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 contains hardcoded WiFi driver credentials including a RADIUS shared secret, WPS test key, and default PSK embedded in the production firmware binary...

Oracle Linux 8 : gnutls (ELSA-2026-20611)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20611 advisory. - Fix CVE-2026-33846 DTLS fragment reassembly, High, heap overwrite - Fix CVE-2026-42009 DTLS fragment reassembly, High, undefined behaviour - Fix...

CVE-2026-10517

A flaw was found in Clair. The fetcher component makes outbound HTTP requests to attacker-supplied URIs from manifest layer descriptors without IP or scheme filtering. When PSK authentication is not configured opt-in, not enforced by default, an unauthenticated attacker can submit a manifest with...

CVE-2026-10517

A flaw was found in Clair. The fetcher component makes outbound HTTP requests to attacker-supplied URIs from manifest layer descriptors without IP or scheme filtering. When PSK authentication is not configured opt-in, not enforced by default, an unauthenticated attacker can submit a manifest with...

CVE-2026-10517 Clair: clair: unauthenticated ssrf via manifest layer uri enables internal network reconnaissance

A flaw was found in Clair. The fetcher component makes outbound HTTP requests to attacker-supplied URIs from manifest layer descriptors without IP or scheme filtering. When PSK authentication is not configured opt-in, not enforced by default, an unauthenticated attacker can submit a manifest with...

CVE-2026-10517

The CVE describes a flaw in Clair’s fetcher where it makes outbound HTTP requests to attacker-supplied URIs taken from manifest layer descriptors without filtering IPs or schemes. If PSK authentication is not configured, an unauthenticated attacker can submit a manifest pointing to internal servi...

CVE-2026-10517

A flaw was found in Clair. The fetcher component makes outbound HTTP requests to attacker-supplied URIs from manifest layer descriptors without IP or scheme filtering. When PSK authentication is not configured opt-in, not enforced by default, an unauthenticated attacker can submit a manifest with...

PT-2026-45353

A flaw was found in Clair. The fetcher component makes outbound HTTP requests to attacker-supplied URIs from manifest layer descriptors without IP or scheme filtering. When PSK authentication is not configured opt-in, not enforced by default, an unauthenticated attacker can submit a manifest with...

SUSE SLES15 Security Update : gnutls (SUSE-SU-2026:2087-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2087-1 advisory. This update for gnutls fixes the following issues - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive...

JLSEC-2026-521

A flaw was found in gnutls. A use after free issue in clientsendparams in lib/ext/presharedkey.c may lead to memory corruption and other potential consequences...

gnutls: gnutls: Authentication Bypass via NUL Character in Username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

PT-2026-47003

A flaw was found in gnutls. A use after free issue in client send params in lib/ext/pre shared key.c may lead to memory corruption and other potential consequences...

OPENSUSE-SU-2026:20778-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3832: cert-session: fix multi-entry OCSP revocation bypass bsc1263706. - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short...

EUVD-2026-28354

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

CVE-2026-42010

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

CVE-2026-42010 Gnutls: gnutls: authentication bypass via nul character in username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

CVE-2026-42010

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

CVE-2026-41898

CVE-2026-41898 affects the rust-openssl bindings for Rust. The vulnerability arises in the FFI trampolines behind SslContextBuilder::set_psk_client_callback, set_psk_server_callback, set_cookie_generate_cb, and set_stateless_cookie_generate_cb, where the user closure’s returned usize was forwarde...