nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. nghttp2 v1.61.0 mitigates this vulnerability by limiting the number of CONTINUATION frames it accepts per stream. There is no workaround for this vulnerability.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-libnghttp2alma-upgrade-libnghttp2-develalma-upgrade-nghttp2alma-upgrade-nodejsalma-upgrade-nodejs-develalma-upgrade-nodejs-docsalma-upgrade-nodejs-full-i18nalma-upgrade-nodejs-libsalma-upgrade-nodejs-nodemonalma-upgrade-nodejs-packagingalma-upgrade-nodejs-packaging-bundleralma-upgrade-npm | May 13, 2024 | Apr 4, 2024 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-libnghttp2amazon-linux-ami-2-upgrade-libnghttp2-develamazon-linux-ami-2-upgrade-nghttp2amazon-linux-ami-2-upgrade-nghttp2-debuginfo | May 1, 2024 | Apr 4, 2024 | |
| Amazon_linux | — | amazon-linux-upgrade-nghttp2 | May 14, 2024 | Apr 4, 2024 |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-libnghttp2amazon-linux-2023-upgrade-libnghttp2-debuginfoamazon-linux-2023-upgrade-libnghttp2-develamazon-linux-2023-upgrade-nghttp2amazon-linux-2023-upgrade-nghttp2-debuginfoamazon-linux-2023-upgrade-nghttp2-debugsourceamazon-linux-2023-upgrade-nodejsamazon-linux-2023-upgrade-nodejs20amazon-linux-2023-upgrade-nodejs20-debuginfoamazon-linux-2023-upgrade-nodejs20-debugsourceamazon-linux-2023-upgrade-nodejs20-develamazon-linux-2023-upgrade-nodejs20-docsamazon-linux-2023-upgrade-nodejs20-full-i18namazon-linux-2023-upgrade-nodejs20-libsamazon-linux-2023-upgrade-nodejs20-libs-debuginfoamazon-linux-2023-upgrade-nodejs20-npmamazon-linux-2023-upgrade-nodejs-debuginfoamazon-linux-2023-upgrade-nodejs-debugsourceamazon-linux-2023-upgrade-nodejs-develamazon-linux-2023-upgrade-nodejs-docsamazon-linux-2023-upgrade-nodejs-full-i18namazon-linux-2023-upgrade-nodejs-libsamazon-linux-2023-upgrade-nodejs-libs-debuginfoamazon-linux-2023-upgrade-nodejs-npmamazon-linux-2023-upgrade-v8-10-2-develamazon-linux-2023-upgrade-v8-11-3-devel | Feb 17, 2025 | Apr 3, 2024 | |
| Debian | debian-upgrade-nghttp2 | May 2, 2024 | Apr 4, 2024 | |
| Dell Powerstore Dsa2024398 | dell-powerstoreos-upgrade-latest | Oct 23, 2025 | Sep 17, 2024 | |
| Dell Powerstore Dsa2024408 | dell-powerstoreos-upgrade-latest | Jan 13, 2026 | Sep 26, 2024 | |
| Dell Powerstore Dsa2024432 | dell-powerstoreos-upgrade-latest | Oct 23, 2025 | Oct 29, 2024 | |
| Gentoo Linux | gentoo-linux-upgrade-net-libs-nghttp2 | Aug 8, 2024 | Apr 4, 2024 | |
| Huawei Euleros 2_0_sp10 | huawei-euleros-2_0_sp10-upgrade-libnghttp2 | Jul 16, 2024 | Apr 4, 2024 | |
| Huawei Euleros 2_0_sp11 | huawei-euleros-2_0_sp11-upgrade-libnghttp2 | Jun 26, 2024 | Apr 4, 2024 | |
| Huawei Euleros 2_0_sp12 | huawei-euleros-2_0_sp12-upgrade-libnghttp2 | Oct 8, 2024 | Apr 4, 2024 | |
| Huawei Euleros 2_0_sp8 | huawei-euleros-2_0_sp8-upgrade-libnghttp2 | Jul 23, 2024 | Apr 4, 2024 | |
| Huawei Euleros 2_0_sp9 | huawei-euleros-2_0_sp9-upgrade-libnghttp2 | Jul 17, 2024 | Apr 4, 2024 | |
| Oracle_linux | — | oracle-linux-upgrade-libnghttp2oracle-linux-upgrade-libnghttp2-develoracle-linux-upgrade-nghttp2oracle-linux-upgrade-nodejsoracle-linux-upgrade-nodejs-develoracle-linux-upgrade-nodejs-docsoracle-linux-upgrade-nodejs-full-i18noracle-linux-upgrade-nodejs-libsoracle-linux-upgrade-nodejs-nodemonoracle-linux-upgrade-nodejs-packagingoracle-linux-upgrade-nodejs-packaging-bundleroracle-linux-upgrade-npm | May 9, 2024 | Apr 3, 2024 |
| Redhat_linux | redhat-upgrade-libnghttp2redhat-upgrade-libnghttp2-debuginforedhat-upgrade-libnghttp2-develredhat-upgrade-nghttp2redhat-upgrade-nghttp2-debuginforedhat-upgrade-nghttp2-debugsourceredhat-upgrade-nodejsredhat-upgrade-nodejs-debuginforedhat-upgrade-nodejs-debugsourceredhat-upgrade-nodejs-develredhat-upgrade-nodejs-docsredhat-upgrade-nodejs-full-i18nredhat-upgrade-nodejs-libsredhat-upgrade-nodejs-libs-debuginforedhat-upgrade-nodejs-nodemonredhat-upgrade-nodejs-packagingredhat-upgrade-nodejs-packaging-bundlerredhat-upgrade-npm | May 13, 2024 | Apr 4, 2024 | |
| Rocky_linux | rocky-upgrade-libnghttp2rocky-upgrade-libnghttp2-debuginforocky-upgrade-libnghttp2-develrocky-upgrade-nghttp2rocky-upgrade-nghttp2-debuginforocky-upgrade-nghttp2-debugsourcerocky-upgrade-nodejsrocky-upgrade-nodejs-debuginforocky-upgrade-nodejs-debugsourcerocky-upgrade-nodejs-develrocky-upgrade-nodejs-full-i18nrocky-upgrade-nodejs-libsrocky-upgrade-nodejs-libs-debuginforocky-upgrade-npm | May 13, 2024 | Apr 4, 2024 | |
| Suse | — | suse-upgrade-libnghttp2-14suse-upgrade-libnghttp2-14-32bitsuse-upgrade-libnghttp2-develsuse-upgrade-libnghttp2_asio-develsuse-upgrade-libnghttp2_asio1suse-upgrade-libnghttp2_asio1-32bitsuse-upgrade-nghttp2suse-upgrade-python3-nghttp2 | Apr 9, 2024 | Apr 4, 2024 |
| Ubuntu | ubuntu-pro-upgrade-libnghttp2-14ubuntu-pro-upgrade-nghttp2ubuntu-pro-upgrade-nghttp2-clientubuntu-pro-upgrade-nghttp2-proxyubuntu-pro-upgrade-nghttp2-serverubuntu-upgrade-libnghttp2-14ubuntu-upgrade-nghttp2ubuntu-upgrade-nghttp2-clientubuntu-upgrade-nghttp2-proxyubuntu-upgrade-nghttp2-server | Apr 26, 2024 | Apr 4, 2024 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Apr 4, 2024 |
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