Linux

libnghttp2 security updates

Patch Radar has 37 security fixes for libnghttp2, closing 8 CVEs, 1 of which is being exploited. The newest security fix is RHSA-2026:55804 (0:1.33.0-6.el8_10.3), released August 19, 2026.

1 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
37
On record in Patch Radar
CVEs
8
Closed by those fixes
Exploited
1
Vendor report or CISA KEV

Security fixes, newest first

PriorityFixReleaseFixed inCVEsExploitedReleased
Routine RHSA-2026:55804RHEL 80:1.33.0-6.el8_10.3 1 Aug 19, 2026
Routine ELSA-2026-55804ol 80:1.33.0-6.el8_10.3 1 Aug 18, 2026
Routine ALSA-2026:55804almalinux 81.33.0-6.el8_10.3 1 Aug 17, 2026
Routine RHSA-2026:54662RHEL 90:1.43.0-6.el9_8.2 1 Aug 14, 2026
Routine ALSA-2026:54650almalinux 101.68.0-3.el10_2.2 1 Aug 13, 2026
Routine ALSA-2026:54662almalinux 91.43.0-6.el9_8.2 1 Aug 13, 2026
Routine ELSA-2026-54650ol 100:1.68.0-3.el10_2.2 1 Aug 13, 2026
Routine ELSA-2026-54662ol 90:1.43.0-6.el9_8.2 1 Aug 13, 2026
Routine FEDORA-2026-91DD0C29D6Fedora 431.66.0-3.fc43 1 Aug 7, 2026
High RHSA-2026:7668RHEL 90:1.43.0-6.el9_7.1 1 Apr 15, 2026
High RHSA-2026:7667RHEL 80:1.33.0-6.el8_10.2 1 Apr 15, 2026
High ALAS2023-2026-1542amzn 20231.59.0-3.amzn2023.0.2 1 Apr 13, 2026
High ALSA-2026:7666almalinux 101.64.0-2.el10_1.1 1 Apr 13, 2026
High ALSA-2026:7667almalinux 81.33.0-6.el8_10.2 1 Apr 13, 2026
High ALSA-2026:7668almalinux 91.43.0-6.el9_7.1 1 Apr 13, 2026
High ELSA-2026-7667ol 80:1.33.0-6.el8_10.2 1 Apr 13, 2026
High ELSA-2026-7668ol 90:1.43.0-6.el9_7.1 1 Apr 13, 2026
High ELSA-2026-7666ol 100:1.64.0-2.el10_1.1 1 Apr 12, 2026
High ALSA-2024:4252almalinux 81.33.0-6.el8_10.1 1 Jul 2, 2024
High ELSA-2024-4252ol 80:1.33.0-6.el8_10.1 1 Jul 2, 2024
High RHSA-2024:4252RHEL 80:1.33.0-6.el8_10.1 1 Jul 2, 2024
High ELSA-2024-3501ol 90:1.43.0-5.el9_4.3 1 Jun 20, 2024
High ALSA-2024:3501almalinux 91.43.0-5.el9_4.3 1 May 30, 2024
High RHSA-2024:3501RHEL 90:1.43.0-5.el9_4.3 1 May 30, 2024
High ALAS2023-2024-592amzn 20231.59.0-3.amzn2023.0.1 1 Apr 25, 2024
Patch now ALSA-2023:6746almalinux 91.43.0-5.el9_3.1 1 1 Nov 7, 2023
Patch now RHSA-2023:6746RHEL 90:1.43.0-5.el9_3.1 1 1 Nov 7, 2023
Patch now ELSA-2023-5837ol 80:1.33.0-5.el8_8 1 1 Oct 19, 2023
Patch now ELSA-2023-5838ol 90:1.43.0-5.el9_2.1 1 1 Oct 19, 2023
Patch now ALSA-2023:5837almalinux 81.33.0-5.el8_8 1 1 Oct 18, 2023
Patch now RHSA-2023:5837RHEL 80:1.33.0-5.el8_8 1 1 Oct 18, 2023
Patch now ALAS2023-2023-392amzn 20231.57.0-1.amzn2023.0.1 1 1 Oct 16, 2023
High ALAS2023-2023-278amzn 20231.55.1-1.amzn2023.0.1 1 Aug 3, 2023
High ELSA-2020-2755ol 80:1.33.0-3.el8_2.1 1 Jul 6, 2020
High RHSA-2020:2755RHEL 80:1.33.0-3.el8_2.1 1 Jun 25, 2020
High ELSA-2019-2692ol 80:1.33.0-1.el8_0.1 2 Sep 10, 2019
High RHSA-2019:2692RHEL 80:1.33.0-1.el8_0.1 2 Sep 9, 2019

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