Important: Red Hat Security Advisory: gnutls security update

An update for gnutls is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

ALSA-2026:20611 Important: gnutls security update

Please update the gnutls packages to provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Add more checks to DTLS reassembly CVE-2026-33846 gnutls: Fix qsort comparator in DTLS reassemb...

ALSA-2026:20613 Important: gnutls security update

The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Fix qsort comparator in DTLS reassembly CVE-2026-42009 gnutls: Fix crashing on an underflow with a DTLS datagram...

Important: gnutls security update

Please update the gnutls packages to provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Add more checks to DTLS reassembly CVE-2026-33846 gnutls: Fix qsort comparator in DTLS reassemb...

Important: gnutls security update

The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Fix qsort comparator in DTLS reassembly CVE-2026-42009 gnutls: Fix crashing on an underflow with a DTLS datagram...

Exploit for Improper Access Control in Fiberhome Hg6145F1_Firmware

CVE-2025-63353 PoC - FiberHome HG6145F1 Predictable Default Wi...

OESA-2026-2403 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...

Astra Linux – Vulnerability in gnutls28

A vulnerability was discovered in GnuTLS. The response times to malformed ciphertexts in the RSA-PSK ClientKeyExchange differ from those of ciphertexts with correct PKCS1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack during the RSA-PSK key exchange,...

SUSE-SU-2026:21815-1 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...

SUSE-SU-2026:21752-1 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...

CLSA-2026-1778934026 Fix CVE(s): CVE-2026-42010

SECURITY UPDATE: Authentication bypass via NUL-byte truncation in RSA-PSK username lookup - debian/patches/CVE-2026-42010.patch: replace strleninfo-username with info-usernamelen in gnutlsprocrsapskclientkx in lib/auth/rsapsk.c to prevent NUL-byte truncation allowing username matching with...

CVE-2026-42010

CVE-2026-42010 affects gnutls where servers using RSA-PSK incorrectly match usernames containing a NUL character, causing truncation and an authentication bypass. A remote attacker could exploit by sending a crafted username to gain unauthorized access. Connected advisories confirm a patch: Root ...

GnuTLS 安全漏洞

GnuTLS is an open-source, free security communication library developed by GnuTLS that enables the implementation of SSL, TLS, and DTLS protocols. There is a security vulnerability in gnutls, which stems from the incorrect matching of usernames containing the NUL character with truncated username...

CVE-2026-34474

Sensitive data exposure leading to admin/WLAN credential leak in ZTE ZXHN H298A 1.1 and H108N 2.6. A crafted request to the router web interface can expose sensitive device and account information. In affected builds, the response may include the administrator password and WLAN PSK, enabling...

CVE-2026-41898 rust-openssl: Unchecked callback-returned length in PSK and cookie generate trampolines can cause OpenSSL to leak adjacent memory to the network peer

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.24 to before 0.10.78, the FFI trampolines behind SslContextBuilder::setpskclientcallback, setpskservercallback, setcookiegeneratecb, and setstatelesscookiegeneratecb forwarded the user closure's returned usize...

CVE-2026-41898

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.24 to before 0.10.78, the FFI trampolines behind SslContextBuilder::setpskclientcallback, setpskservercallback, setcookiegeneratecb, and setstatelesscookiegeneratecb forwarded the user closure's returned usize...

CVE-2026-41898 rust-openssl: Unchecked callback-returned length in PSK and cookie generate trampolines can cause OpenSSL to leak adjacent memory to the network peer

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.24 to before 0.10.78, the FFI trampolines behind SslContextBuilder::setpskclientcallback, setpskservercallback, setcookiegeneratecb, and setstatelesscookiegeneratecb forwarded the user closure's returned usize...

rust-openssl: Unchecked callback length in PSK/cookie trampolines leaks adjacent memory to peer

The FFI trampolines behind SslContextBuilder::setpskclientcallback, setpskservercallback, setcookiegeneratecb, and setstatelesscookiegeneratecb forwarded the user closure's returned usize directly to OpenSSL without checking it against the &mut u8 that was handed to the closure. This can lead to...