CVE-2025-5115: Eclipse Jetty · Uncontrolled Resource Consumption
Affects Eclipse JettySource GCVE Database
Not known to be exploited · CVSS 7.7 High.
Data as of 4 Nov 2026, 17:33 UTC
Thin evidence
One scorer or none| CNA (eclipse) | CVSS 4.0 | 7.7 |
|---|
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:HExploitation evidence
Disclosed: evidence found.
CVE published 20 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Eclipse Jetty Eclipse Jetty | Affected
| Fixed in– |
AI-suggested
Until a fix is available, consider limiting or filtering HTTP/2 traffic from untrusted clients or deploying rate limiting to mitigate potential resource exhaustion attacks.
Description
CVE-2025-5115 is a high-severity vulnerability in Eclipse Jetty HTTP/2 server versions up to 9.4.57, 10.0.25, 11.0.25, 12.0.21, and 12.1.0.alpha2. It allows an HTTP/2 client to cause uncontrolled resource consumption by sending malformed or protocol-violating frames, such as WINDOW_UPDATE frames with zero window size increments. This forces the server to send RST_STREAM frames repeatedly, consuming CPU and memory resources. The issue arises because the server processes these invalid frames by opening many streams and responding with RST_STREAM frames, leading to excessive resource use without exceeding the maximum concurrent streams limit.
References
- github.com/jetty/jetty.project/security/advisories/GHSA-mmxm-8w33-wc4h (opens in a new tab)
- github.com/jetty/jetty.project/pull/13449 (opens in a new tab)
- github.com/jetty/jetty.project/releases/tag/jetty-12.1.0 (opens in a new tab)
- github.com/jetty/jetty.project/releases/tag/jetty-12.0.25 (opens in a new tab)
- github.com/jetty/jetty.project/releases/tag/jetty-11.0.26 (opens in a new tab)
- github.com/jetty/jetty.project/releases/tag/jetty-10.0.26 (opens in a new tab)
- github.com/jetty/jetty.project/releases/tag/jetty-9.4.58.v20250814 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/09/msg00014.html (opens in a new tab)
- kb.cert.org/vuls/id/767506 (opens in a new tab)
- openwall.com/lists/oss-security/2025/09/17/1 (opens in a new tab)
- openwall.com/lists/oss-security/2025/08/20/4 (opens in a new tab)