GHSA-677m-j7p3-52f9

socket.io allows an unbounded number of binary attachments

En bref

Publiée
Mise à jour
CVE
CVE-2026-33151
CVSS_V4
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

### Impact 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. ### Patches | Version range | Used by | Fixed version | |------------------|--------------------------------------------|---------------| | `>=4.0.0 <4.2.6` | `socket.io@4.x` and `socket.io-client@4.x` | `4.2.6` | | `>=3.4.0 <3.4.4` | `socket.io@2.x` | `3.4.4` | | `<3.3.5` | `socket.io-client@2.x` | `3.3.5` | ### Workarounds There is no known workaround except upgrading to a safe version. ### For more information If you have any questions or comments about this advisory: - Open a discussion [here](https://github.com/socketio/socket.io/discussions)

Paquets affectés

PaquetVersions
npm · socket.io-parserintroduced 0, fixed 3.3.5
npm · socket.io-parserintroduced 3.4.0, fixed 3.4.4
npm · socket.io-parserintroduced 4.0.0, fixed 4.2.6

Références

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database