CVE-2026-48779: falha de alta gravidade em websockets ws
ws: Memory exhaustion DoS from tiny fragments and data chunks
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 1.4%
ws is an open source WebSocket client and server for Node.js. All versions from 1.1.0 up to (but not including) 5.2.5, from 6.0.0 up to 6.2.4, from 7.0.0 up to 7.5.11, and from 8.0.0 up to 8.21.0 are affected by a memory exhaustion DoS vulnerability. A peer can send a high volume of exceptionally small fragments and data chunks, with modest network traffic, to force the remote peer into allocating and holding structural wrappers that consume far more memory than the default documented message-size limit, leading to process termination due to OOM. This issue has been fixed in versions 5.2.5, 6.2.4, 7.5.11, and 8.21.0.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
websockets · wsCVEs relacionadas — websockets ws
No mesmo produto, das mais perigosas para as menos.
Referências
https://access.redhat.com/errata/RHSA-2026:29197https://access.redhat.com/errata/RHSA-2026:33155https://access.redhat.com/errata/RHSA-2026:33160https://access.redhat.com/errata/RHSA-2026:33163https://access.redhat.com/errata/RHSA-2026:33173https://access.redhat.com/errata/RHSA-2026:33183https://access.redhat.com/errata/RHSA-2026:33574https://access.redhat.com/errata/RHSA-2026:34342https://access.redhat.com/errata/RHSA-2026:36754https://access.redhat.com/errata/RHSA-2026:36820https://access.redhat.com/errata/RHSA-2026:37272https://access.redhat.com/errata/RHSA-2026:40984