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libfastjson: integer overflow and out-of-bounds write via a large JSON file

🗓️ 07 Nov 2023 08:47:54Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 13 Views

Integer overflow and out-of-bounds write in json-c via large JSON file due to printbuf_memappend.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM MQ is affected by a vulnerability in json-c (CVE-2020-12762)
18 Dec 202014:05
–ibm
IBM Security Bulletins		Security Bulletin: IBM MQ Appliance is affected by multiple open source vulnerabilities.
26 Jun 202422:30
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Security includes components with multiple known vulnerabilities
19 Jan 202313:54
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to using components with Known Vulnerabilities
25 Apr 202214:44
–ibm
IBM Security Bulletins		Security Bulletin: A vulnerability in json-c may affect IBM Robotic Process Automation for Cloud Pak and result in arbitrary code execution (CVE-2020-12762).
12 Jan 202418:47
–ibm
FreeBSD		json-c -- integer overflow and out-of-bounds write via a large JSON file
2 May 202000:00
–freebsd
Tenable Nessus		Amazon Linux 2023 : libfastjson, libfastjson-devel (ALAS2023-2023-205)
8 Jun 202300:00
–nessus
Tenable Nessus		Amazon Linux 2023 : json-c, json-c-devel (ALAS2023-2023-232)
28 Jun 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : json-c (ALAS-2020-1442)
2 Jul 202000:00
–nessus
Tenable Nessus		Amazon Linux 2 : libfastjson (ALAS-2023-2079)
8 Jun 202300:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64libfastjson0.99.9-5.el9libfastjson-0.99.9-5.el9.aarch64.rpm
Red Hat Enterprise Linux9i686libfastjson0.99.9-5.el9libfastjson-0.99.9-5.el9.i686.rpm
Red Hat Enterprise Linux9ppc64lelibfastjson0.99.9-5.el9libfastjson-0.99.9-5.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibfastjson0.99.9-5.el9libfastjson-0.99.9-5.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64libfastjson0.99.9-5.el9libfastjson-0.99.9-5.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64libfastjson-debuginfo0.99.9-5.el9libfastjson-debuginfo-0.99.9-5.el9.aarch64.rpm
Red Hat Enterprise Linux9i686libfastjson-debuginfo0.99.9-5.el9libfastjson-debuginfo-0.99.9-5.el9.i686.rpm
Red Hat Enterprise Linux9ppc64lelibfastjson-debuginfo0.99.9-5.el9libfastjson-debuginfo-0.99.9-5.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibfastjson-debuginfo0.99.9-5.el9libfastjson-debuginfo-0.99.9-5.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64libfastjson-debuginfo0.99.9-5.el9libfastjson-debuginfo-0.99.9-5.el9.x86_64.rpm
Rows per page

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26 Jun 2026 22:35Current
6.4Medium risk
Vulners AI Score6.4
CVSS 26.8
CVSS 3.17.8
EPSS0.01888
SSVC
CWE-787
javascript object notationinteger overflowout of bounds writememory corruptionprintbuf memappendlarge json file
13