Amazon Linux 2 Security Advisory: ALAS2-2023-2079
Advisory Released Date: 2023-06-07
Advisory Updated Date: 2023-06-07
Severity:
Medium
Issue Overview:
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. (CVE-2020-12762)
Affected Packages:
libfastjson
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libfastjson to update your system.
New Packages:
aarch64:
libfastjson-0.99.4-3.amzn2.0.1.aarch64
libfastjson-devel-0.99.4-3.amzn2.0.1.aarch64
libfastjson-debuginfo-0.99.4-3.amzn2.0.1.aarch64
i686:
libfastjson-0.99.4-3.amzn2.0.1.i686
libfastjson-devel-0.99.4-3.amzn2.0.1.i686
libfastjson-debuginfo-0.99.4-3.amzn2.0.1.i686
src:
libfastjson-0.99.4-3.amzn2.0.1.src
x86_64:
libfastjson-0.99.4-3.amzn2.0.1.x86_64
libfastjson-devel-0.99.4-3.amzn2.0.1.x86_64
libfastjson-debuginfo-0.99.4-3.amzn2.0.1.x86_64