aiohttp: Incomplete websocket frame payloads bypass memory limits

When

2026-06-15 20:11 UTC

Where

Global (internet)

Category

cyber_advisory · pip

### Summary If an attacker sends large incomplete websocket frame payloads, it may be possible to bypass the usual size limits on memory use. ### Impact If a web application has WebSocket endpoints, it may be possible for an attacker to execute a DoS attack through excessive memory use. ----- Patch: https://github.com/aio-libs/aiohttp/commit/14b6ee851fb16ec199acb950de0c82d476799e7d

Sources

• GitHub Advisory Database ↗ · first seen 2026-06-15 20:11 UTC

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Correlated events

Computed by the Defaxon correlation engine — linked by shared actors, co-location, and temporal proximity. Scored hypotheses, never causal claims.

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