# CVE-2023-5981: gnutls: The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorit... CVE-2023-5981 is fixed in 17 products on 1 platform, first by gnutls-bin 3.5.18-1ubuntu1.6+esm1, released November 16, 2023. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2023-5981 - Priority: Routine - CVSS: 5.9 (Moderate) - EPSS: 0.0127 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Nov 16, 2023 ## Description The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fix(es): * gnutls: timing side-channel in the RSA-PSK authentication (CVE-2023-5981) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | gnutls RHEL 8 | 0:3.6.16-8.el8_9 | [RHSA-2024:0155](https://patchblox.com/security/data/fix/linux/rhsa-2024-0155.md) | Jan 10, 2024 | | Linux | gnutls RHEL 9 | 0:3.7.6-23.el9_3.3 | [RHSA-2024:0533](https://patchblox.com/security/data/fix/linux/rhsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls almalinux 8 | 3.6.16-8.el8_9.1 | [ALSA-2024:0627](https://patchblox.com/security/data/fix/linux/alsa-2024-0627.md) | Jan 31, 2024 | | Linux | gnutls almalinux 9 | 3.7.6-23.el9_3.3 | [ALSA-2024:0533](https://patchblox.com/security/data/fix/linux/alsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls ol 8 | 0:3.6.16-8.el8_9 | [ELSA-2024-0155](https://patchblox.com/security/data/fix/linux/elsa-2024-0155.md) | Jan 11, 2024 | | Linux | gnutls ol 9 | 0:3.7.6-23.el9_3.3 | [ELSA-2024-0533](https://patchblox.com/security/data/fix/linux/elsa-2024-0533.md) | Jan 30, 2024 | | Linux | gnutls rocky 8 | 0:3.6.16-8.el8_9 | [RLSA-2024:0155](https://patchblox.com/security/data/fix/linux/rlsa-2024-0155.md) | Jan 12, 2024 | | Linux | gnutls-bin Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.6+esm1 | [gnutls-bin 3.5.18-1ubuntu1.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gnutls-bin-3.5.18-1ubuntu1.6-esm1.md) | Nov 16, 2023 | | Linux | gnutls-bin Ubuntu 20.04 LTS (focal) | 3.6.13-2ubuntu1.9 | [gnutls-bin 3.6.13-2ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gnutls-bin-3.6.13-2ubuntu1.9.md) | Nov 16, 2023 | | Linux | gnutls-bin Ubuntu 22.04.1 LTS (jammy) | 3.7.3-4ubuntu1.3 | [gnutls-bin 3.7.3-4ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gnutls-bin-3.7.3-4ubuntu1.3.md) | Nov 16, 2023 | | Linux | gnutls-c++ RHEL 8 | 0:3.6.16-8.el8_9 | [RHSA-2024:0155](https://patchblox.com/security/data/fix/linux/rhsa-2024-0155.md) | Jan 10, 2024 | | Linux | gnutls-c++ RHEL 9 | 0:3.7.6-23.el9_3.3 | [RHSA-2024:0533](https://patchblox.com/security/data/fix/linux/rhsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls-c++ almalinux 8 | 3.6.16-8.el8_9.1 | [ALSA-2024:0627](https://patchblox.com/security/data/fix/linux/alsa-2024-0627.md) | Jan 31, 2024 | | Linux | gnutls-c++ almalinux 9 | 3.7.6-23.el9_3.3 | [ALSA-2024:0533](https://patchblox.com/security/data/fix/linux/alsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls-c++ amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls-c++ ol 8 | 0:3.6.16-8.el8_9 | [ELSA-2024-0155](https://patchblox.com/security/data/fix/linux/elsa-2024-0155.md) | Jan 11, 2024 | | Linux | gnutls-c++ ol 9 | 0:3.7.6-23.el9_3.3 | [ELSA-2024-0533](https://patchblox.com/security/data/fix/linux/elsa-2024-0533.md) | Jan 30, 2024 | | Linux | gnutls-c++-debuginfo amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls-dane RHEL 8 | 0:3.6.16-8.el8_9 | [RHSA-2024:0155](https://patchblox.com/security/data/fix/linux/rhsa-2024-0155.md) | Jan 10, 2024 | | Linux | gnutls-dane RHEL 9 | 0:3.7.6-23.el9_3.3 | [RHSA-2024:0533](https://patchblox.com/security/data/fix/linux/rhsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls-dane almalinux 8 | 3.6.16-8.el8_9.1 | [ALSA-2024:0627](https://patchblox.com/security/data/fix/linux/alsa-2024-0627.md) | Jan 31, 2024 | | Linux | gnutls-dane almalinux 9 | 3.7.6-23.el9_3.3 | [ALSA-2024:0533](https://patchblox.com/security/data/fix/linux/alsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls-dane amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls-dane ol 8 | 0:3.6.16-8.el8_9 | [ELSA-2024-0155](https://patchblox.com/security/data/fix/linux/elsa-2024-0155.md) | Jan 11, 2024 | | Linux | gnutls-dane ol 9 | 0:3.7.6-23.el9_3.3 | [ELSA-2024-0533](https://patchblox.com/security/data/fix/linux/elsa-2024-0533.md) | Jan 30, 2024 | | Linux | gnutls-dane-debuginfo amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls-debuginfo amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls-debugsource amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls-devel RHEL 8 | 0:3.6.16-8.el8_9 | [RHSA-2024:0155](https://patchblox.com/security/data/fix/linux/rhsa-2024-0155.md) | Jan 10, 2024 | | Linux | gnutls-devel RHEL 9 | 0:3.7.6-23.el9_3.3 | [RHSA-2024:0533](https://patchblox.com/security/data/fix/linux/rhsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls-devel almalinux 8 | 3.6.16-8.el8_9.1 | [ALSA-2024:0627](https://patchblox.com/security/data/fix/linux/alsa-2024-0627.md) | Jan 31, 2024 | | Linux | gnutls-devel almalinux 9 | 3.7.6-23.el9_3.3 | [ALSA-2024:0533](https://patchblox.com/security/data/fix/linux/alsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls-devel amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls-devel ol 8 | 0:3.6.16-8.el8_9 | [ELSA-2024-0155](https://patchblox.com/security/data/fix/linux/elsa-2024-0155.md) | Jan 11, 2024 | | Linux | gnutls-devel ol 9 | 0:3.7.6-23.el9_3.3 | [ELSA-2024-0533](https://patchblox.com/security/data/fix/linux/elsa-2024-0533.md) | Jan 30, 2024 | | Linux | gnutls-utils RHEL 8 | 0:3.6.16-8.el8_9 | [RHSA-2024:0155](https://patchblox.com/security/data/fix/linux/rhsa-2024-0155.md) | Jan 10, 2024 | | Linux | gnutls-utils RHEL 9 | 0:3.7.6-23.el9_3.3 | [RHSA-2024:0533](https://patchblox.com/security/data/fix/linux/rhsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls-utils almalinux 8 | 3.6.16-8.el8_9.1 | [ALSA-2024:0627](https://patchblox.com/security/data/fix/linux/alsa-2024-0627.md) | Jan 31, 2024 | | Linux | gnutls-utils almalinux 9 | 3.7.6-23.el9_3.3 | [ALSA-2024:0533](https://patchblox.com/security/data/fix/linux/alsa-2024-0533.md) | Jan 29, 2024 | | Linux | gnutls-utils amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls-utils ol 8 | 0:3.6.16-8.el8_9 | [ELSA-2024-0155](https://patchblox.com/security/data/fix/linux/elsa-2024-0155.md) | Jan 11, 2024 | | Linux | gnutls-utils ol 9 | 0:3.7.6-23.el9_3.3 | [ELSA-2024-0533](https://patchblox.com/security/data/fix/linux/elsa-2024-0533.md) | Jan 30, 2024 | | Linux | gnutls-utils-debuginfo amzn 2023 | 3.8.0-377.amzn2023.0.3 | [ALAS2023-2024-463](https://patchblox.com/security/data/fix/linux/alas2023-2024-463.md) | Jan 3, 2024 | | Linux | gnutls28 Debian 12.15 (bookworm) | 3.7.9-2+deb12u1 | [DEBIAN-CVE-2023-5981](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5981.md) | Nov 28, 2023 | | Linux | gnutls28 Debian 13.5 (trixie) | 3.8.2-1 | [DEBIAN-CVE-2023-5981](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5981.md) | Nov 28, 2023 | | Linux | gnutls28 Debian 14 | 3.8.2-1 | [DEBIAN-CVE-2023-5981](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5981.md) | Nov 28, 2023 | | Linux | guile-gnutls Ubuntu 20.04 LTS (focal) | 3.6.13-2ubuntu1.9 | [guile-gnutls 3.6.13-2ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-guile-gnutls-3.6.13-2ubuntu1.9.md) | Nov 16, 2023 | | Linux | guile-gnutls Ubuntu 22.04.1 LTS (jammy) | 3.7.3-4ubuntu1.3 | [guile-gnutls 3.7.3-4ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-guile-gnutls-3.7.3-4ubuntu1.3.md) | Nov 16, 2023 | | Linux | libgnutls-dane0 Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.6+esm1 | [libgnutls-dane0 3.5.18-1ubuntu1.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgnutls-dane0-3.5.18-1ubuntu1.6-esm1.md) | Nov 16, 2023 | | Linux | libgnutls-dane0 Ubuntu 20.04 LTS (focal) | 3.6.13-2ubuntu1.9 | [libgnutls-dane0 3.6.13-2ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libgnutls-dane0-3.6.13-2ubuntu1.9.md) | Nov 16, 2023 | | Linux | libgnutls-dane0 Ubuntu 22.04.1 LTS (jammy) | 3.7.3-4ubuntu1.3 | [libgnutls-dane0 3.7.3-4ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libgnutls-dane0-3.7.3-4ubuntu1.3.md) | Nov 16, 2023 | | Linux | libgnutls-openssl27 Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.6+esm1 | [libgnutls-openssl27 3.5.18-1ubuntu1.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgnutls-openssl27-3.5.18-1ubuntu1.6-esm1.md) | Nov 16, 2023 | | Linux | libgnutls-openssl27 Ubuntu 20.04 LTS (focal) | 3.6.13-2ubuntu1.9 | [libgnutls-openssl27 3.6.13-2ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libgnutls-openssl27-3.6.13-2ubuntu1.9.md) | Nov 16, 2023 | | Linux | libgnutls-openssl27 Ubuntu 22.04.1 LTS (jammy) | 3.7.3-4ubuntu1.3 | [libgnutls-openssl27 3.7.3-4ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libgnutls-openssl27-3.7.3-4ubuntu1.3.md) | Nov 16, 2023 | | Linux | libgnutls30 Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.6+esm1 | [libgnutls30 3.5.18-1ubuntu1.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgnutls30-3.5.18-1ubuntu1.6-esm1.md) | Nov 16, 2023 | | Linux | libgnutls30 Ubuntu 20.04 LTS (focal) | 3.6.13-2ubuntu1.9 | [libgnutls30 3.6.13-2ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libgnutls30-3.6.13-2ubuntu1.9.md) | Nov 16, 2023 | | Linux | libgnutls30 Ubuntu 22.04.1 LTS (jammy) | 3.7.3-4ubuntu1.3 | [libgnutls30 3.7.3-4ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libgnutls30-3.7.3-4ubuntu1.3.md) | Nov 16, 2023 | | Linux | libgnutlsxx28 Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.6+esm1 | [libgnutlsxx28 3.5.18-1ubuntu1.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgnutlsxx28-3.5.18-1ubuntu1.6-esm1.md) | Nov 16, 2023 | | Linux | libgnutlsxx28 Ubuntu 20.04 LTS (focal) | 3.6.13-2ubuntu1.9 | [libgnutlsxx28 3.6.13-2ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libgnutlsxx28-3.6.13-2ubuntu1.9.md) | Nov 16, 2023 | | Linux | libgnutlsxx28 Ubuntu 22.04.1 LTS (jammy) | 3.7.3-4ubuntu1.3 | [libgnutlsxx28 3.7.3-4ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libgnutlsxx28-3.7.3-4ubuntu1.3.md) | Nov 16, 2023 | --- Data as of 2026-11-08T13:06:02Z UTC. 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