Oracle Linux 9 : gnutls (ELSA-2026-20612)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20612 advisory. - Fix CVE-2026-33846 DTLS fragment reassembly, High, heap overwrite - Fix CVE-2026-42009 DTLS fragment reassembly, High, undefined behaviour - Fix...

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...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the fetcher file. An attacker can access internal services or cloud metadata endpoints by submitting manifests with attacker-controlled URIs, leading to potential exposure of up to 256 bytes of error...

GHSA-698X-9W2P-7VVP Claircore: Unauthenticated attackers can submit manifests with URIs pointing to internal services or cloud metadata endpoints

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...

Claircore: Unauthenticated attackers can submit manifests with URIs pointing to internal services or cloud metadata endpoints

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

Rejected reason: Retracted following review by Red Hat Product Security and confirmation from the upstream Clair/Claircore maintainer. This CVE misattributes the described behavior to github.com/quay/claircore: the authentication mechanism in question optional PSK, HTTP endpoint...

CVE-2026-10517

CVE-2026-10517 was retracted: the described behavior was misattributed to github.com/quay/claircore. Connected advisories confirm the issue is in Clair/claircore’s fetcher and/or Claircore’s handling of manifests with attacker-controlled URIs, enabling SSRF when PSK is not configured. The unauthe...

CVE-2026-10517

Retracted following review by Red Hat Product Security and confirmation from the upstream Clair/Claircore maintainer. This CVE misattributes the described behavior to github.com/quay/claircore: the authentication mechanism in question optional PSK, HTTP endpoint /indexer/api/v1/indexreport is...

CVE-2026-10517

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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

Name of the Vulnerable Software and Affected Versions Clair affected versions not specified Description A flaw in the fetcher component allows the system to make outbound HTTP requests to attacker-supplied URIs from manifest layer descriptors because it lacks IP or scheme filtering. When Pre-Shar...

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...