CVE-2025-8671
HIGHHTTP/2 - DoS
Title source: llmDescription
A mismatch caused by client-triggered server-sent stream resets between HTTP/2 specifications and the internal architectures of some HTTP/2 implementations may result in excessive server resource consumption leading to denial-of-service (DoS). By opening streams and then rapidly triggering the server to reset them—using malformed frames or flow control errors—an attacker can exploit incorrect stream accounting. Streams reset by the server are considered closed at the protocol level, even though backend processing continues. This allows a client to cause the server to handle an unbounded number of concurrent streams on a single connection. This CVE will be updated as affected product details are released.
Exploits (5)
nomisec
WORKING POC
6 stars
by moften · poc
https://github.com/moften/CVE-2025-8671-MadeYouReset-HTTP-2-DDoS
github
WORKING POC
2 stars
by adminlove520 · pythonpoc
https://github.com/adminlove520/CVE-Poc_All_in_One/tree/main/2025/CVE-2025-8671
nomisec
WORKING POC
2 stars
by mateusm1403 · poc
https://github.com/mateusm1403/PoC-CVE-2025-8671-MadeYouReset-HTTP-2
References (17)
Scores
CVSS v3
7.5
EPSS
0.0059
EPSS Percentile
69.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-404
Status
published
Products (18)
Fastly/H20
579ecfa
SUSE Linux/Enterprise Desktop
15 SP6 - 15 SP7
SUSE Linux/Enterprise High Performance Computing
15 SP3 - 15 SP7
SUSE Linux/Enterprise High Performance Computing (HPC)
15 - 15 SP5
SUSE Linux/Enterprise Module for Development Tools
15 SP2 - 15-SP5
SUSE Linux/Enterprise Module for Dev Tools
15 SP3 - 15 SP7
SUSE Linux/Enterprise Module for Package Hub
15 SP5 - 15 SP7
SUSE Linux/Enterprise Server
12 SP5 - 15 SP7
SUSE Linux/Enterprise Server for SAP Applications
15 SP6 - 15 SP7
SUSE Linux/openSUSE Leap
15.6
... and 8 more
Published
Aug 13, 2025
Tracked Since
Feb 18, 2026