EUVD-2026-66755
GHSA-22jf-r33c-m8rf
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Network-reachable broker, no authentication required, timing is low-complexity and automatable; impact is total process termination with no confidentiality or integrity effect.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.
AnalysisAI
Stomper at commit 5e2741e crashes its server process when a broker attempts to write data to a TCP socket already closed by the client peer, delivering a SIGPIPE signal that the process does not handle, causing immediate termination. Any unauthenticated remote client can reliably trigger this by closing the socket at the right moment during a broker-to-client transmission, making the denial-of-service condition automatable. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required - any client that can reach the Stomper broker's TCP port can trigger the crash. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) accurately reflects the network-reachable, unauthenticated, low-complexity nature of the trigger, and the high availability impact of a full process crash. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patched version has been identified at the time of analysis; the fix version is not independently confirmed from the available references. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit network exposure of all Stomper instances and implement firewall or network segmentation rules restricting TCP access to known, authorized broker systems only; enable detailed logging of abnormal connection terminations. …
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Same technique Denial Of Service
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