- Latest release
- Not known: cve.now hasn't read this package's releases
- Newest unaffected release
- Not known without release data
- Advisories
- 5 · 1 critical, 3 high
- Weekly downloads
- 38.4M
- Dependents
- 31K
- Registry
- npm
Advisories 5
- CVE-2026-69185High 7.5
Socket.IO: Zero-attachment Memory Exhaustion
Affected: from 4.0.0, fixed in 4.2.7; from 3.4.0, fixed in 3.4.5; fixed in 3.3.6.
- CVE-2026-33151High 8.7
socket.io allows an unbounded number of binary attachments
Affected: fixed in 3.3.5; from 3.4.0, fixed in 3.4.4; from 4.0.0, fixed in 4.2.6.
- CVE-2023-32695High 7.3
Insufficient validation when decoding a Socket.IO packet
Affected: from 4.0.4, fixed in 4.2.3; from 3.4.0, fixed in 3.4.3; fixed in 3.3.4.
- CVE-2022-2421Critical 10.0
Socket.io - Improper type validation in attachment parsing
Affected: from 4.0.0, fixed in 4.0.5; from 4.1.0, fixed in 4.2.1; fixed in 3.3.3; from 3.4.0, fixed in 3.4.2.
- CVE-2020-36049Unrated
socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a…
Affected: fixed in 3.3.2; from 3.4.0, fixed in 3.4.1.