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json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend

A flaw was found in json-c. In printbuf_memappend, certain crafted values can overflow the memory allowing an attacker to write past the memory boundary. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.

This update for json-c fixes the following issues: - CVE-2020-12762: Fixed integer overflow and out-of-bounds write

This update for json-c fixes the following issues: - CVE-2020-12762: Fixed an integer overflow that could lead to memory corruption via a large JSON file . Non-security fixes: - Updated to version 0.12.1 .

This update for json-c fixes the following issues: - CVE-2020-12762: Fixed integer overflow and out-of-bounds write

This update for libfastjson fixes the following issues: * CVE-2020-12762: Fixed an integer overflow and out-of-bounds write via a large JSON file .

JSON-C implements a reference counting object model that allows users to easily construct JavaScript Object Notation objects in C, output them as JSON formatted strings, and parse JSON formatted strings back into the C representation of JSON objects.

The libfastjson library provides essential JavaScript Object Notation handling functions. The library enables users to construct JSON objects in C, output them as JSON-formatted strings, and convert JSON-formatted strings back to the C representation of JSON objects.


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