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CVE Vulnerability Details :
CVE-2026-54465
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-17 Jul, 2026 | 20:06
Updated At-20 Jul, 2026 | 13:49
Rejected At-
▼CVE Numbering Authority (CNA)
websocket-driver: Memory exhaustion in HTTP header parser

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.1, when websocket-driver is used to implement a WebSocket server on top of a TCP server using WebSocket::Driver.server() or to complement a WebSocket client, a peer can make a single connection consume an unbounded amount of memory by sending an HTTP request or response with a never-ending list of headers. This can lead to the receiving process running out of memory. This issue is fixed in version 0.8.1.

Affected Products
Vendor
faye
Product
websocket-driver-ruby
Versions
Affected
  • < 0.8.1
Problem Types
TypeCWE IDDescription
CWECWE-770CWE-770: Allocation of Resources Without Limits or Throttling
Type: CWE
CWE ID: CWE-770
Description: CWE-770: Allocation of Resources Without Limits or Throttling
Metrics
VersionBase scoreBase severityVector
4.06.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
Version: 4.0
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/faye/websocket-driver-ruby/security/advisories/GHSA-8j3g-f24p-4mpw
x_refsource_CONFIRM
https://github.com/faye/websocket-driver-ruby/commit/17b569f232896e71d458404ccf4854f80e987710
x_refsource_MISC
Hyperlink: https://github.com/faye/websocket-driver-ruby/security/advisories/GHSA-8j3g-f24p-4mpw
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/faye/websocket-driver-ruby/commit/17b569f232896e71d458404ccf4854f80e987710
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found