vulnerability
Amazon Linux 2023: CVE-2020-12762: Medium priority package update for libfastjson (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | May 2, 2020 | Feb 17, 2025 | Dec 4, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
May 2, 2020
Added
Feb 17, 2025
Modified
Dec 4, 2025
Description
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.
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.
Solutions
amazon-linux-2023-upgrade-json-camazon-linux-2023-upgrade-json-c-debuginfoamazon-linux-2023-upgrade-json-c-debugsourceamazon-linux-2023-upgrade-json-c-develamazon-linux-2023-upgrade-json-c-docamazon-linux-2023-upgrade-libfastjsonamazon-linux-2023-upgrade-libfastjson-debuginfoamazon-linux-2023-upgrade-libfastjson-debugsourceamazon-linux-2023-upgrade-libfastjson-devel
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