Escargot v4.3.0-214-gfaee4437 Debugger WebSocket Off-by-One Stack Buffer Overflow

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Metadaten

  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2026-08-26 15:30 UTC
  • Importiert: 2026-08-30 07:28 UTC
  • Quelle-ID: full_disc
  • uid_hash: fe486dda502010b8e4509f4e48c7b2fcd95fb64892c08162cd1d03ef39453da0

Inhalt

Posted by Ron E on Aug 26 Escargot contains a remotely triggerable one-byte stack-based out-of-bounds

write in the WebSocket message handling logic used by the debugger.

When Escargot::DebuggerTcp::receive() receives a binary WebSocket payload

that completely fills the caller-provided stack buffer, the function

successfully copies the payload into the available buffer space but

subsequently appends an additional NUL byte without verifying that space

remains for the...

No data

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