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CVE-2024-28182

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-6754-2
Posted May 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6754-2 - USN-6754-1 fixed vulnerabilities in nghttp2. This update provides the corresponding update for Ubuntu 24.04 LTS. It was discovered that nghttp2 incorrectly handled the HTTP/2 implementation. A remote attacker could possibly use this issue to cause nghttp2 to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

tags | advisory, remote, web, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-9513, CVE-2023-44487, CVE-2024-28182
SHA-256 | a626406c69b2c3819d9892a59563e91ef3909ded6eee46f3085c5cbec0e0e54b
Ubuntu Security Notice USN-6754-1
Posted Apr 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6754-1 - It was discovered that nghttp2 incorrectly handled the HTTP/2 implementation. A remote attacker could possibly use this issue to cause nghttp2 to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that nghttp2 incorrectly handled request cancellation. A remote attacker could possibly use this issue to cause nghttp2 to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2019-9511, CVE-2019-9513, CVE-2023-44487, CVE-2024-28182
SHA-256 | 5cf8f575ba3f618cd1a7ba459257c95bf26180fa995bf1e705ddd3bb811a5c3e
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