SUSE-SU-2026:3042-1 Security update for gnutls

This update for gnutls fixes the following issue - Rebase the CVE-2026-42014 patch to include a missing call to p11kiturifree in gnutlspkcs11tokensetpin bsc1263713...

The vulnerability of the GnuTLS cryptographic library, which stems from the disclosure of information based on temporal discrepancies, allows attackers to gain unauthorized access to the protected information.

The vulnerability of the GnuTLS cryptographic library is related to the disclosure of information based on temporal discrepancies. Exploiting this vulnerability can allow an attacker operating remotely to gain unauthorized access to protected information...

SUSE SLES12: gnutls / libgnutls-devel / libgnutls-openssl-devel / etc (SUSE-SU-2026:2924-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2924-1 advisory. This update for gnutls fixes the following issues - CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints...

SUSE SLES12 Security Update : gnutls (SUSE-SU-2026:2923-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2923-1 advisory. This update for gnutls fixes the following issues - CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : GnuTLS vulnerabilities (USN-8539-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8539-1 advisory. Haruto Kimura discovered that GnuTLS did not properly apply permitted name constraints in certain certificate validation paths. A...

The vulnerability of the GnuTLS cryptographic library, related to the execution of operations outside the buffer boundaries in memory, allows a hacker to disclose the protected information.

The vulnerability of the GnuTLS cryptographic library relates to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability could allow a malicious actor to disclose the protected information...

USN-8539-1 gnutls28 vulnerabilities

Haruto Kimura discovered that GnuTLS did not properly apply permitted name constraints in certain certificate validation paths. A remote attacker could possibly use this issue to bypass certificate validation, leading to a machine-in-the-middle attack. CVE-2026-42011 Oleh Konko discovered that...

MiracleLinux 9 : gnutls-3.8.10-4.el9_8 (AXSA:2026-1260:18)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1260:18 advisory. gnutls: Fix qsort comparator in DTLS reassembly CVE-2026-42009 gnutls: Fix crashing on an underflow with a DTLS datagram CVE-2026-33845 gnutls: Fix...

EulerOS 2.0 SP10 : gnutls (EulerOS-SA-2026-2690)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The...

Security update for gnutls

This update for gnutls fixes the following issues CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints processing being case-sensitive bsc1263707. CVE-2026-5260: heap overread when processing extremely short premaster secret as part of an RSA key exchange...

The vulnerability of the gnutls_pkcs12_bag_set_data() function in the GnuTLS cryptographic library allows a attacker to damage memory or cause service failures.

The vulnerability of the gnutlspkcs12bagsetdata function in the GnuTLS cryptographic library is related to a single-precision shift error. Exploiting this vulnerability could allow an attacker to corrupt memory or cause service failures...

The vulnerability of the function nameconstraints_node_list_intersect() in the lib/x509/name_constraints.c file, lines 726-727, of the cryptographic library GnuTLS, allows a attacker to perform a MIT attack.

The vulnerability of the nameconstraintsnodelistintersect function in the lib/x509/nameconstraints.c file, lines 726-727, of the cryptographic library GnuTLS is related to errors in the certificate validation process. Exploiting this vulnerability could allow an attacker to perform a MITM attack...

The vulnerability of the gnutls_pkcs11_token_set_pin() function in the lib/pkcs11_write.c file of the GnuTLS cryptographic library allows a attacker to cause a service failure.

The vulnerability of the gnutlspkcs11tokensetpin function in the lib/pkcs11write.c file of the GnuTLS cryptographic library is related to a buffer out-of-bounds exception due to a pointer that has expired. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the DTLS implementation of the GnuTLS cryptographic library allows a attacker to induce a service failure.

The vulnerability of the DTLS protocol implementation of the GnuTLS cryptographic library is related to unpredictable behavior of functions due to inconsistencies in parameter values. Exploiting this vulnerability could allow a malicious actor to cause service failures remotely...

The vulnerability of the _gnutls_proc_rsa_psk_client_kx() function in the lib/auth/rsa_psk.c file of the GnuTLS cryptographic library allows a perpetrator to bypass existing security mechanisms and gain unauthorized access to protected information.

The vulnerability of the gnutlsprocrsapskclientkx function in the lib/auth/rsapsk.c file of the GnuTLS cryptographic library is related to incorrect handling of zero bytes or NULL characters during data exchange. Exploiting this vulnerability could allow an attacker to bypass existing security...

The vulnerability of the gnutls_x509_crt_check_hostname2() function in the lib/x509/hostname-verify.c file of the GnuTLS cryptographic library allows a attacker to perform a MITM attack.

The vulnerability of the gnutlsx509crtcheckhostname2 function in the lib/x509/hostname-verify.c file of the GnuTLS cryptographic library is related to errors in the certificate validation process. Exploiting this vulnerability could allow a remote attacker to perform a MITM attack...

EulerOS 2.0 SP12 : gnutls (EulerOS-SA-2026-2530)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in mergehandshakepacket...

EulerOS 2.0 SP12 : gnutls (EulerOS-SA-2026-2590)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in mergehandshakepacket...

Security update for gnutls

This update for gnutls fixes the following issues CVE-2025-14831: excessive resource consumption when verifying specially crafted malicious certificates containing a large number of name constraints and SANs bsc1257960. CVE-2026-3833: incorrectly accepted domain names due to comparison during nam...

SUSE-SU-2026:2822-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2025-14831: excessive resource consumption when verifying specially crafted malicious certificates containing a large number of name constraints and SANs bsc1257960. - CVE-2026-3833: incorrectly accepted domain names due to comparison during...