UltraJSON v5.13.0-6-g733f9e1 Length-Boundary Violation Causes Out-of-Bounds Read During Incomplete JSON Parsing

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  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2026-08-26 15:30 UTC
  • Importiert: 2026-08-30 07:28 UTC
  • Quelle-ID: full_disc
  • uid_hash: a7553a784f2722a257b7e9008463be03b9f57f0b326c8527985be3bd1587de55

Inhalt

Posted by Ron E on Aug 26 UltraJSON contains an out-of-bounds read in its native C JSON decoder when

processing certain incomplete JSON values supplied through an explicitly

length-bounded input buffer.

The affected native entry point, JSON_DecodeObject(), accepts both a buffer

pointer and an explicit buffer length:

JSON_DecodeObject(

JSONObjectDecoder *dec,

const char *buffer,

size_t cbBuffer

)

The decoder establishes cbBuffer as the logical boundary of...

No data

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