CVE-2025-8671
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 15-SP5, 15 SP5, 15 SP7, 0.6.0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- 5 proofs of concept on GitHub
- Exploitation: poc
- Automatable: yes
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- SUSE Linux Enterprise Module for Development Tools
From 15 SP2 · fixed in 15-SP5
- SUSE Linux Enterprise High Performance Computing (HPC)
From 15 · fixed in 15 SP5
- Varnish Software Varnish Enterprise
From 6.0.x · through 6.0.14r4
- Varnish Software Varnish Cache
From 6.0LTS · through 6.014
- Varnish Software Varnish Cache
From 5.x · through 7.71
- Fastly H20
579ecfa
- Wind River Linux
From LTS22 · through TLS25
- SUSE Linux Enterprise Desktop
From 15 SP6 · fixed in 15 SP7
- SUSE Linux Enterprise High Performance Computing
From 15 SP3 · fixed in 15 SP7
- SUSE Linux Enterprise Module for Dev Tools
From 15 SP3 · fixed in 15 SP7
- SUSE Linux Enterprise Module for Package Hub
From 15 SP5 · fixed in 15 SP7
- SUSE Linux Enterprise Server
From 12 SP5 · fixed in 15 SP7
- SUSE Linux Enterprise Server for SAP Applications
From 15 SP6 · fixed in 15 SP7
- SUSE Linux SUSE Manager Server
4.3
- SUSE Linux SUSE Manager Server LTS
4.3
- SUSE Linux SUSE Manager Proxy
4.3
- SUSE Linux SUSE Manager Retail Branch Server
4.3
- SUSE Linux openSUSE Leap
15.6
- pingora-corecrates.io
From 0.0.0-0 · fixed in 0.6.0