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 | — | Upgrade libnghttp2-develUpgrade nghttp2Upgrade libnghttp2Upgrade nodejs-packaging-bundlerUpgrade npmUpgrade nodejs-libsUpgrade nodejsUpgrade nodejs-packagingUpgrade nodejs-nodemonUpgrade nodejs-full-i18nUpgrade nodejs-docsUpgrade nodejs-devel | May 13, 2024 | Apr 4, 2024 |
| Amazon Linux Ami 2 | — | Upgrade libnghttp2Upgrade nghttp2-debuginfoUpgrade libnghttp2-develUpgrade nghttp2 | May 1, 2024 | Apr 4, 2024 |
| Amazon_linux | — | Upgrade nghttp2 | May 14, 2024 | Apr 4, 2024 |
| Amazon_linux_2023 | — | Upgrade libnghttp2-develUpgrade libnghttp2Upgrade nghttp2Upgrade nghttp2-debuginfoUpgrade nodejs20-debuginfoUpgrade nodejs20-full-i18nUpgrade libnghttp2-debuginfoUpgrade nodejsUpgrade nodejs20Upgrade nodejs20-debugsourceUpgrade nodejs-libsUpgrade nodejs20-libs-debuginfoUpgrade v8-10.2-develUpgrade nodejs-debuginfoUpgrade v8-11.3-develUpgrade nodejs-npmUpgrade nodejs-libs-debuginfoUpgrade nodejs20-develUpgrade nodejs-docsUpgrade nodejs-debugsourceUpgrade nodejs20-docsUpgrade nodejs20-libsUpgrade nghttp2-debugsourceUpgrade nodejs-develUpgrade nodejs20-npmUpgrade nodejs-full-i18n | Feb 17, 2025 | Apr 3, 2024 |
| Debian | — | Upgrade nghttp2 | May 2, 2024 | Apr 4, 2024 |
| Dell Powerstore Dsa2024398 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | Sep 17, 2024 |
| Dell Powerstore Dsa2024408 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Sep 26, 2024 |
| Dell Powerstore Dsa2024432 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | Oct 29, 2024 |
| Gentoo Linux | — | Upgrade net-libs/nghttp2. | Aug 8, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade libnghttp2 | Jul 16, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade libnghttp2 | Jun 26, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade libnghttp2 | Oct 8, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade libnghttp2 | Jul 23, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade libnghttp2 | Jul 17, 2024 | Apr 4, 2024 |
| Oracle_linux | — | Upgrade nghttp2Upgrade nodejs-libsUpgrade nodejs-full-i18nUpgrade nodejs-nodemonUpgrade nodejsUpgrade nodejs-packagingUpgrade libnghttp2-develUpgrade nodejs-docsUpgrade nodejs-develUpgrade libnghttp2Upgrade npmUpgrade nodejs-packaging-bundler | May 9, 2024 | Apr 3, 2024 |
| Redhat_linux | — | Upgrade nghttp2-debuginfoUpgrade nodejs-docsUpgrade nodejs-packagingUpgrade nodejs-debugsourceUpgrade nodejs-develUpgrade nodejsUpgrade libnghttp2-debuginfoUpgrade nodejs-packaging-bundlerUpgrade nodejs-debuginfoUpgrade nodejs-libs-debuginfoUpgrade libnghttp2No solution existsUpgrade nodejs-libsUpgrade npmUpgrade nodejs-full-i18nUpgrade nghttp2-debugsourceUpgrade nodejs-nodemonUpgrade nghttp2Upgrade libnghttp2-devel | May 13, 2024 | Apr 4, 2024 |
| Rocky_linux | — | Upgrade libnghttp2-develUpgrade nghttp2-debugsourceUpgrade nodejs-debuginfoUpgrade nodejsUpgrade libnghttp2-debuginfoUpgrade nghttp2-debuginfoUpgrade nodejs-full-i18nUpgrade nghttp2Upgrade npmUpgrade nodejs-libsUpgrade nodejs-debugsourceUpgrade nodejs-develUpgrade nodejs-libs-debuginfoUpgrade libnghttp2 | May 13, 2024 | Apr 4, 2024 |
| Suse | — | Upgrade libnghttp2_asio-develUpgrade libnghttp2-14Upgrade libnghttp2_asio1Upgrade python3-nghttp2Upgrade nghttp2Upgrade libnghttp2-14-32bitUpgrade libnghttp2_asio1-32bitUpgrade libnghttp2-devel | Apr 9, 2024 | Apr 4, 2024 |
| Ubuntu | — | Upgrade nghttp2-server (Ubuntu Pro)Upgrade nghttp2 (Ubuntu Pro)Upgrade libnghttp2-14Upgrade nghttp2-serverUpgrade nghttp2-client (Ubuntu Pro)Upgrade nghttp2-proxyUpgrade nghttp2-clientUpgrade nghttp2Upgrade libnghttp2-14 (Ubuntu Pro)Upgrade nghttp2-proxy (Ubuntu Pro) | Apr 26, 2024 | Apr 4, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 4, 2024 |
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