# nghttp2 security updates

Patch Radar has 88 security fixes for nghttp2, closing 9 CVEs, 1 of which is being exploited. The newest security fix is SUSE-SU-2026:4029-1 (1.64.0-150700.3.6.1), released September 7, 2026.

- Web page: https://patchblox.com/security/product/linux/nghttp2
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [SUSE-SU-2026:4029-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4029-1.md) | Sep 7, 2026 | sles 15.7 1.64.0-150700.3.6.1 | Routine | 1 | 0 |
| [RHSA-2026:55804](https://patchblox.com/security/data/fix/linux/rhsa-2026-55804.md) | Aug 19, 2026 | RHEL 8 0:1.33.0-6.el8_10.3 | Routine | 1 | 0 |
| [RLSA-2026:55804](https://patchblox.com/security/data/fix/linux/rlsa-2026-55804.md) | Aug 18, 2026 | rocky 8 0:1.33.0-6.el8_10.3 | Routine | 1 | 0 |
| [ELSA-2026-55804](https://patchblox.com/security/data/fix/linux/elsa-2026-55804.md) | Aug 18, 2026 | ol 8 0:1.33.0-6.el8_10.3 | Routine | 1 | 0 |
| [ALSA-2026:55804](https://patchblox.com/security/data/fix/linux/alsa-2026-55804.md) | Aug 17, 2026 | almalinux 8 1.33.0-6.el8_10.3 | Routine | 1 | 0 |
| [RHSA-2026:54662](https://patchblox.com/security/data/fix/linux/rhsa-2026-54662.md) | Aug 14, 2026 | RHEL 9 0:1.43.0-6.el9_8.2 | Routine | 1 | 0 |
| [RLSA-2026:54650](https://patchblox.com/security/data/fix/linux/rlsa-2026-54650.md) | Aug 14, 2026 | rocky 10 0:1.68.0-3.el10_2.2 | Routine | 1 | 0 |
| [RLSA-2026:54662](https://patchblox.com/security/data/fix/linux/rlsa-2026-54662.md) | Aug 14, 2026 | rocky 9 0:1.43.0-6.el9_8.2 | Routine | 1 | 0 |
| [ALSA-2026:54650](https://patchblox.com/security/data/fix/linux/alsa-2026-54650.md) | Aug 13, 2026 | almalinux 10 1.68.0-3.el10_2.2 | Routine | 1 | 0 |
| [ALSA-2026:54662](https://patchblox.com/security/data/fix/linux/alsa-2026-54662.md) | Aug 13, 2026 | almalinux 9 1.43.0-6.el9_8.2 | Routine | 1 | 0 |
| [ELSA-2026-54650](https://patchblox.com/security/data/fix/linux/elsa-2026-54650.md) | Aug 13, 2026 | ol 10 0:1.68.0-3.el10_2.2 | Routine | 1 | 0 |
| [ELSA-2026-54662](https://patchblox.com/security/data/fix/linux/elsa-2026-54662.md) | Aug 13, 2026 | ol 9 0:1.43.0-6.el9_8.2 | Routine | 1 | 0 |
| [FEDORA-2026-91DD0C29D6](https://patchblox.com/security/data/fix/linux/fedora-2026-91dd0c29d6.md) | Aug 7, 2026 | Fedora 43 1.66.0-3.fc43 | Routine | 1 | 0 |
| [OPENSUSE-SU-2026:21302-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21302-1.md) | Jul 10, 2026 | opensuse-leap 16.0 1.64.0-160000.4.1 | Routine | 1 | 0 |
| [SUSE-SU-2026:22630-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22630-1.md) | Jul 10, 2026 | sles 16.0 1.64.0-160000.4.1 | Routine | 1 | 0 |
| [nghttp2 1.64.0-1.1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-nghttp2-1.64.0-1.1ubuntu1.2.md) | Jul 3, 2026 | Ubuntu 25.10 (questing) 1.64.0-1.1ubuntu1.2 | Routine | 1 | 0 |
| [nghttp2 1.59.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-nghttp2-1.59.0-1ubuntu0.4.md) | Jul 3, 2026 | Ubuntu 24.04.5 LTS (noble) 1.59.0-1ubuntu0.4 | Routine | 1 | 0 |
| [nghttp2 1.43.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nghttp2-1.43.0-1ubuntu0.4.md) | Jul 3, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.43.0-1ubuntu0.4 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-58055](https://patchblox.com/security/data/fix/linux/debian-cve-2026-58055.md) | Jun 28, 2026 | Debian 14 1.70.0-1 | Routine | 1 | 0 |
| [RHSA-2026:54650](https://patchblox.com/security/data/fix/linux/rhsa-2026-54650.md) | Jun 28, 2026 | RHEL 10 1.68.0-3.el10_2.2 | Routine | 1 | 0 |
| [nghttp2 1.68.0-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-nghttp2-1.68.0-2ubuntu0.2.md) | Jun 27, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.68.0-2ubuntu0.2 | Routine | 1 | 0 |
| [RLSA-2026:7667](https://patchblox.com/security/data/fix/linux/rlsa-2026-7667.md) | Apr 16, 2026 | rocky 8 0:1.33.0-6.el8_10.2 | High | 1 | 0 |
| [RHSA-2026:7668](https://patchblox.com/security/data/fix/linux/rhsa-2026-7668.md) | Apr 15, 2026 | RHEL 9 0:1.43.0-6.el9_7.1 | High | 1 | 0 |
| [RHSA-2026:8868](https://patchblox.com/security/data/fix/linux/rhsa-2026-8868.md) | Apr 15, 2026 | RHEL 10 1.64.0-2.el10_0.1 | High | 1 | 0 |
| [RHSA-2026:7667](https://patchblox.com/security/data/fix/linux/rhsa-2026-7667.md) | Apr 15, 2026 | RHEL 8 0:1.33.0-6.el8_10.2 | High | 1 | 0 |
| [SUSE-SU-2026:1350-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1350-1.md) | Apr 15, 2026 | sles 15.6 1.40.0-150600.25.5.1 | High | 1 | 0 |
| [SUSE-SU-2026:1350-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1350-1.md) | Apr 15, 2026 | sles 15.7 1.40.0-150600.25.5.1 | High | 1 | 0 |
| [SUSE-SU-2026:1350-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1350-1.md) | Apr 15, 2026 | opensuse-leap 15.6 1.40.0-150600.25.5.1 | High | 1 | 0 |
| [RLSA-2026:7666](https://patchblox.com/security/data/fix/linux/rlsa-2026-7666.md) | Apr 15, 2026 | rocky 10 0:1.64.0-2.el10_1.1 | High | 1 | 0 |
| [RLSA-2026:7668](https://patchblox.com/security/data/fix/linux/rlsa-2026-7668.md) | Apr 15, 2026 | rocky 9 0:1.43.0-6.el9_7.1 | High | 1 | 0 |
| [ALAS2023-2026-1542](https://patchblox.com/security/data/fix/linux/alas2023-2026-1542.md) | Apr 13, 2026 | amzn 2023 1.59.0-3.amzn2023.0.2 | High | 1 | 0 |
| [ALSA-2026:7666](https://patchblox.com/security/data/fix/linux/alsa-2026-7666.md) | Apr 13, 2026 | almalinux 10 1.64.0-2.el10_1.1 | High | 1 | 0 |
| [ALSA-2026:7667](https://patchblox.com/security/data/fix/linux/alsa-2026-7667.md) | Apr 13, 2026 | almalinux 8 1.33.0-6.el8_10.2 | High | 1 | 0 |
| [ALSA-2026:7668](https://patchblox.com/security/data/fix/linux/alsa-2026-7668.md) | Apr 13, 2026 | almalinux 9 1.43.0-6.el9_7.1 | High | 1 | 0 |
| [ELSA-2026-7667](https://patchblox.com/security/data/fix/linux/elsa-2026-7667.md) | Apr 13, 2026 | ol 8 0:1.33.0-6.el8_10.2 | High | 1 | 0 |
| [ELSA-2026-7668](https://patchblox.com/security/data/fix/linux/elsa-2026-7668.md) | Apr 13, 2026 | ol 9 0:1.43.0-6.el9_7.1 | High | 1 | 0 |
| [ELSA-2026-7666](https://patchblox.com/security/data/fix/linux/elsa-2026-7666.md) | Apr 12, 2026 | ol 10 0:1.64.0-2.el10_1.1 | High | 1 | 0 |
| [SUSE-SU-2026:20925-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20925-1.md) | Mar 24, 2026 | sles 16.0 1.64.0-160000.3.1 | High | 1 | 0 |
| [OPENSUSE-SU-2026:20413-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20413-1.md) | Mar 24, 2026 | opensuse-leap 16.0 1.64.0-160000.3.1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-27135](https://patchblox.com/security/data/fix/linux/debian-cve-2026-27135.md) | Mar 18, 2026 | Debian 12.15 (bookworm) 1.52.0-1+deb12u3 | High | 1 | 0 |
| [DEBIAN-CVE-2026-27135](https://patchblox.com/security/data/fix/linux/debian-cve-2026-27135.md) | Mar 18, 2026 | Debian 13.5 (trixie) 1.64.0-1.1+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-27135](https://patchblox.com/security/data/fix/linux/debian-cve-2026-27135.md) | Mar 18, 2026 | Debian 14 1.68.1-1 | High | 1 | 0 |
| [nghttp2 1.30.0-1ubuntu1+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nghttp2-1.30.0-1ubuntu1-esm3.md) | Mar 18, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.30.0-1ubuntu1+esm3 | High | 1 | 0 |
| [nghttp2 1.40.0-1ubuntu0.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nghttp2-1.40.0-1ubuntu0.3-esm1.md) | Mar 18, 2026 | Ubuntu 20.04 LTS (focal) 1.40.0-1ubuntu0.3+esm1 | High | 1 | 0 |
| [nghttp2 1.43.0-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nghttp2-1.43.0-1ubuntu0.3.md) | Mar 18, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.43.0-1ubuntu0.3 | High | 1 | 0 |
| [nghttp2 1.59.0-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-nghttp2-1.59.0-1ubuntu0.3.md) | Mar 18, 2026 | Ubuntu 24.04.5 LTS (noble) 1.59.0-1ubuntu0.3 | High | 1 | 0 |
| [nghttp2 1.64.0-1.1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-nghttp2-1.64.0-1.1ubuntu1.1.md) | Mar 18, 2026 | Ubuntu 25.10 (questing) 1.64.0-1.1ubuntu1.1 | High | 1 | 0 |
| [nghttp2 1.68.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-nghttp2-1.68.0-2ubuntu0.1.md) | Mar 18, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.68.0-2ubuntu0.1 | High | 1 | 0 |
| [RLSA-2023:5837](https://patchblox.com/security/data/fix/linux/rlsa-2023-5837.md) | Dec 5, 2025 | rocky 8 0:1.33.0-5.el8_8 | Patch now | 1 | 1 |
| [RLSA-2024:4252](https://patchblox.com/security/data/fix/linux/rlsa-2024-4252.md) | May 7, 2025 | rocky 8 0:1.33.0-6.el8_10.1 | High | 1 | 0 |
| [DLA-3898-1](https://patchblox.com/security/data/fix/linux/dla-3898-1.md) | Sep 27, 2024 | Debian 11.6 (bullseye) 1.43.0-1+deb11u2 | High | 1 | 0 |
| [ALSA-2024:4252](https://patchblox.com/security/data/fix/linux/alsa-2024-4252.md) | Jul 2, 2024 | almalinux 8 1.33.0-6.el8_10.1 | High | 1 | 0 |
| [ELSA-2024-4252](https://patchblox.com/security/data/fix/linux/elsa-2024-4252.md) | Jul 2, 2024 | ol 8 0:1.33.0-6.el8_10.1 | High | 1 | 0 |
| [RHSA-2024:4252](https://patchblox.com/security/data/fix/linux/rhsa-2024-4252.md) | Jul 2, 2024 | RHEL 8 0:1.33.0-6.el8_10.1 | High | 1 | 0 |
| [ELSA-2024-3501](https://patchblox.com/security/data/fix/linux/elsa-2024-3501.md) | Jun 20, 2024 | ol 9 0:1.43.0-5.el9_4.3 | High | 1 | 0 |
| [RLSA-2024:3501](https://patchblox.com/security/data/fix/linux/rlsa-2024-3501.md) | Jun 14, 2024 | rocky 9 0:1.43.0-5.el9_4.3 | High | 1 | 0 |
| [ALSA-2024:3501](https://patchblox.com/security/data/fix/linux/alsa-2024-3501.md) | May 30, 2024 | almalinux 9 1.43.0-5.el9_4.3 | High | 1 | 0 |
| [RHSA-2024:3501](https://patchblox.com/security/data/fix/linux/rhsa-2024-3501.md) | May 30, 2024 | RHEL 9 0:1.43.0-5.el9_4.3 | High | 1 | 0 |
| [ALAS2023-2024-592](https://patchblox.com/security/data/fix/linux/alas2023-2024-592.md) | Apr 25, 2024 | amzn 2023 1.59.0-3.amzn2023.0.1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-28182](https://patchblox.com/security/data/fix/linux/debian-cve-2024-28182.md) | Apr 4, 2024 | Debian 12.15 (bookworm) 1.52.0-1+deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2024-28182](https://patchblox.com/security/data/fix/linux/debian-cve-2024-28182.md) | Apr 4, 2024 | Debian 13.5 (trixie) 1.61.0-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-28182](https://patchblox.com/security/data/fix/linux/debian-cve-2024-28182.md) | Apr 4, 2024 | Debian 14 1.61.0-1 | High | 1 | 0 |
| [nghttp2 1.30.0-1ubuntu1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nghttp2-1.30.0-1ubuntu1-esm2.md) | Apr 4, 2024 | Ubuntu 18.04.6 LTS (bionic) 1.30.0-1ubuntu1+esm2 | Patch now | 4 | 1 |
| [nghttp2 1.40.0-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nghttp2-1.40.0-1ubuntu0.3.md) | Apr 4, 2024 | Ubuntu 20.04 LTS (focal) 1.40.0-1ubuntu0.3 | High | 1 | 0 |
| [nghttp2 1.43.0-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nghttp2-1.43.0-1ubuntu0.2.md) | Apr 4, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.43.0-1ubuntu0.2 | High | 1 | 0 |
| [nghttp2 1.59.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-nghttp2-1.59.0-1ubuntu0.1.md) | Apr 4, 2024 | Ubuntu 24.04.5 LTS (noble) 1.59.0-1ubuntu0.1 | High | 1 | 0 |
| [DSA-5570-1](https://patchblox.com/security/data/fix/linux/dsa-5570-1.md) | Dec 1, 2023 | Debian 11.6 (bullseye) 1.43.0-1+deb11u1 | Patch now | 1 | 1 |
| [DSA-5570-1](https://patchblox.com/security/data/fix/linux/dsa-5570-1.md) | Dec 1, 2023 | Debian 12.15 (bookworm) 1.52.0-1+deb12u1 | Patch now | 1 | 1 |
| [RLSA-2023:6746](https://patchblox.com/security/data/fix/linux/rlsa-2023-6746.md) | Nov 11, 2023 | rocky 9 0:1.43.0-5.el9_2.1 | Patch now | 1 | 1 |
| [ALSA-2023:6746](https://patchblox.com/security/data/fix/linux/alsa-2023-6746.md) | Nov 7, 2023 | almalinux 9 1.43.0-5.el9_3.1 | Patch now | 1 | 1 |
| [RHSA-2023:6746](https://patchblox.com/security/data/fix/linux/rhsa-2023-6746.md) | Nov 7, 2023 | RHEL 9 0:1.43.0-5.el9_3.1 | Patch now | 1 | 1 |
| [ELSA-2023-5837](https://patchblox.com/security/data/fix/linux/elsa-2023-5837.md) | Oct 19, 2023 | ol 8 0:1.33.0-5.el8_8 | Patch now | 1 | 1 |
| [ELSA-2023-5838](https://patchblox.com/security/data/fix/linux/elsa-2023-5838.md) | Oct 19, 2023 | ol 9 0:1.43.0-5.el9_2.1 | Patch now | 1 | 1 |
| [ALSA-2023:5837](https://patchblox.com/security/data/fix/linux/alsa-2023-5837.md) | Oct 18, 2023 | almalinux 8 1.33.0-5.el8_8 | Patch now | 1 | 1 |
| [RHSA-2023:5837](https://patchblox.com/security/data/fix/linux/rhsa-2023-5837.md) | Oct 18, 2023 | RHEL 8 0:1.33.0-5.el8_8 | Patch now | 1 | 1 |
| [ALAS2023-2023-392](https://patchblox.com/security/data/fix/linux/alas2023-2023-392.md) | Oct 16, 2023 | amzn 2023 1.57.0-1.amzn2023.0.1 | Patch now | 1 | 1 |
| [DEBIAN-CVE-2023-44487](https://patchblox.com/security/data/fix/linux/debian-cve-2023-44487.md) | Oct 10, 2023 | Debian 13.5 (trixie) 1.57.0-1 | Patch now | 1 | 1 |
| [DEBIAN-CVE-2023-44487](https://patchblox.com/security/data/fix/linux/debian-cve-2023-44487.md) | Oct 10, 2023 | Debian 14 1.57.0-1 | Patch now | 1 | 1 |
| [nghttp2 1.40.0-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nghttp2-1.40.0-1ubuntu0.2.md) | Oct 9, 2023 | Ubuntu 20.04 LTS (focal) 1.40.0-1ubuntu0.2 | Patch now | 1 | 1 |
| [nghttp2 1.43.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nghttp2-1.43.0-1ubuntu0.1.md) | Oct 9, 2023 | Ubuntu 22.04.1 LTS (jammy) 1.43.0-1ubuntu0.1 | Patch now | 1 | 1 |
| [ALAS2023-2023-278](https://patchblox.com/security/data/fix/linux/alas2023-2023-278.md) | Aug 3, 2023 | amzn 2023 1.55.1-1.amzn2023.0.1 | High | 1 | 0 |
| [ELSA-2020-2755](https://patchblox.com/security/data/fix/linux/elsa-2020-2755.md) | Jul 6, 2020 | ol 8 0:1.33.0-3.el8_2.1 | High | 1 | 0 |
| [RHSA-2020:2755](https://patchblox.com/security/data/fix/linux/rhsa-2020-2755.md) | Jun 25, 2020 | RHEL 8 0:1.33.0-3.el8_2.1 | High | 1 | 0 |
| [nghttp2 1.30.0-1ubuntu1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nghttp2-1.30.0-1ubuntu1-esm1.md) | Jun 3, 2020 | Ubuntu 18.04.6 LTS (bionic) 1.30.0-1ubuntu1+esm1 | High | 1 | 0 |
| [nghttp2 1.40.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nghttp2-1.40.0-1ubuntu0.1.md) | Jun 3, 2020 | Ubuntu 20.04 LTS (focal) 1.40.0-1ubuntu0.1 | High | 1 | 0 |
| [ELSA-2019-2692](https://patchblox.com/security/data/fix/linux/elsa-2019-2692.md) | Sep 10, 2019 | ol 8 0:1.33.0-1.el8_0.1 | High | 2 | 0 |
| [RHSA-2019:2692](https://patchblox.com/security/data/fix/linux/rhsa-2019-2692.md) | Sep 9, 2019 | RHEL 8 0:1.33.0-1.el8_0.1 | High | 2 | 0 |
| [nghttp2 1.30.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nghttp2-1.30.0-1ubuntu1.md) | Apr 12, 2018 | Ubuntu 18.04.6 LTS (bionic) 1.30.0-1ubuntu1 | High | 1 | 0 |

---

Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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