Rocky Linux 8 [CIQ] Security Update: gnutls / gnutls-c++ / gnutls-c++-debuginfo / gnutls-dane / etc Multiple Vulnerabilities (crlsa-2026_20611)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202620611 advisory. gnutls: Add more checks to DTLS reassembly CVE-2026-33846 gnutls: Fix qsort comparator in DTLS reassembly CVE-2026-42009 gnutls: Fix crashing on an...

CentOS Linux 8.5 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils (CENTOS8.5:CLSA-2026:1779881448)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1779881448 advisory. - A flaw was found in gnutls. Servers configured with RSA-PSK RivestShamirAdleman Pre-Shared Key wrongfully matched usernames containing a NU...

AlmaLinux 9.6 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils (ALMALINUX9.6:CLSA-2026:1779183792)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779183792 advisory. - A flaw was found in gnutls. Servers configured with RSA-PSK RivestShamirAdleman Pre-Shared Key wrongfully matched usernames containing a NU...

CentOS Linux 8.4 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils (CENTOS8.4:CLSA-2026:1779869625)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1779869625 advisory. - A flaw was found in gnutls. Servers configured with RSA-PSK RivestShamirAdleman Pre-Shared Key wrongfully matched usernames containing a NU...

Rocky Linux 8 [CIQ] Security Update: gnutls / gnutls-c++ / gnutls-c++-debuginfo / gnutls-dane / etc (crlsa-2024_0155)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20240155 advisory. gnutls: timing side-channel in the RSA-PSK authentication CVE-2023-5981 Tenable has extracted the preceding description block directly from the CIQ security advisor...

Rocky Linux 9.6 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils (ALMALINUX9.6:CLSA-2026:1779183792)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779183792 advisory. - A flaw was found in gnutls. Servers configured with RSA-PSK RivestShamirAdleman Pre-Shared Key wrongfully matched usernames containing a...

Rocky Linux 9 [CIQ] Security Update: gnutls / gnutls-c++ / gnutls-c++-debuginfo / gnutls-dane / etc Multiple Vulnerabilities (crlsa-2026_20612)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202620612 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 RSA-PS...

CentOS Linux 8 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils (CENTOS-STREAM8:CLSA-2026:1779744941)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1779744941 advisory. - A flaw was found in gnutls. Servers configured with RSA-PSK RivestShamirAdleman Pre-Shared Key wrongfully matched usernames containing ...

AlmaLinux 9.2 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2024:1708029809)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1708029809 advisory. - A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times...

AlmaLinux 9.2 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils (ALMALINUX9.2:CLSA-2026:1779272835)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1779272835 advisory. - A flaw was found in gnutls. Servers configured with RSA-PSK RivestShamirAdleman Pre-Shared Key wrongfully matched usernames containing a NU...

CentOS Linux 7 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils Multiple Vulnerabilities (CENTOS7:CLSA-2024:1710184399)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2024:1710184399 advisory. - A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS1...

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,...

Astra Linux – Vulnerability in gnutls28

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

EulerOS Virtualization 2.10.1 : gnutls (EulerOS-SA-2026-2820)

According to the versions of the gnutls packages installed, the EulerOS Virtualization 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 reorderin...

EulerOS Virtualization 2.10.0 : gnutls (EulerOS-SA-2026-2851)

According to the versions of the gnutls packages installed, the EulerOS Virtualization 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 reorderin...

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...

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...

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...

AlmaLinux 10 : gnutls (ALSA-2026:20613)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:20613 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...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : GnuTLS vulnerabilities (USN-8502-1)

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-8502-1 advisory. It was discovered that GnuTLS had a timing side-channel when processing malformed ciphertexts in RSA-PSK ClientKeyExchange. A...