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4 vulnerabilities found for socket.io by socketio

CVE-2026-33151 (GCVE-0-2026-33151)

Vulnerability from nvd – Published: 2026-03-20 20:13 – Updated: 2026-03-23 16:50
VLAI?
Title
socket.io allows an unbounded number of binary attachments
Summary
Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. Prior to versions 3.3.5, 3.4.4, and 4.2.6, a specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory. This issue has been patched in versions 3.3.5, 3.4.4, and 4.2.6.
CWE
  • CWE-20 - Improper Input Validation
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
Impacted products
Vendor Product Version
socketio socket.io Affected: < 3.3.5
Affected: >= 3.4.0, < 3.4.4
Affected: >= 4.0.0, < 4.2.6
Create a notification for this product.
Show details on NVD website

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CVE-2024-38355 (GCVE-0-2024-38355)

Vulnerability from nvd – Published: 2024-06-19 19:48 – Updated: 2024-09-03 20:35
VLAI?
Title
Unhandled 'error' event in socket.io
Summary
Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. This issue is fixed by commit `15af22fc22` which has been included in `socket.io@4.6.2` (released in May 2023). The fix was backported in the 2.x branch as well with commit `d30630ba10`. Users are advised to upgrade. Users unable to upgrade may attach a listener for the "error" event to catch these errors.
CWE
  • CWE-20 - Improper Input Validation
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
Impacted products
Vendor Product Version
socketio socket.io Affected: < 2.5.1
Affected: >= 3.0.0,< 4.6.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-33151 (GCVE-0-2026-33151)

Vulnerability from cvelistv5 – Published: 2026-03-20 20:13 – Updated: 2026-03-23 16:50
VLAI?
Title
socket.io allows an unbounded number of binary attachments
Summary
Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. Prior to versions 3.3.5, 3.4.4, and 4.2.6, a specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory. This issue has been patched in versions 3.3.5, 3.4.4, and 4.2.6.
CWE
  • CWE-20 - Improper Input Validation
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
Impacted products
Vendor Product Version
socketio socket.io Affected: < 3.3.5
Affected: >= 3.4.0, < 3.4.4
Affected: >= 4.0.0, < 4.2.6
Create a notification for this product.
Show details on NVD website

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CVE-2024-38355 (GCVE-0-2024-38355)

Vulnerability from cvelistv5 – Published: 2024-06-19 19:48 – Updated: 2024-09-03 20:35
VLAI?
Title
Unhandled 'error' event in socket.io
Summary
Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. This issue is fixed by commit `15af22fc22` which has been included in `socket.io@4.6.2` (released in May 2023). The fix was backported in the 2.x branch as well with commit `d30630ba10`. Users are advised to upgrade. Users unable to upgrade may attach a listener for the "error" event to catch these errors.
CWE
  • CWE-20 - Improper Input Validation
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
Impacted products
Vendor Product Version
socketio socket.io Affected: < 2.5.1
Affected: >= 3.0.0,< 4.6.2
Create a notification for this product.
Show details on NVD website

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