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json-c: Fix of CVE-2020-12762

🗓️ 29 Oct 2026 18:11:48Reported by CloudLinuxType 
cloudlinux
 cloudlinux🔗 repo.cloudlinux.com👁 7 Views

Integer overflows and out-of-bounds write in json-c printbuf and linkhash with large inputs.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: IBM MQ is affected by a vulnerability in json-c (CVE-2020-12762)
18 Dec 202014:05
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM MQ Appliance is affected by multiple open source vulnerabilities.
26 Jun 202422:30
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Security includes components with multiple known vulnerabilities
19 Jan 202313:54
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to using components with Known Vulnerabilities
25 Apr 202214:44
–ibm
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
FreeBSD		json-c -- integer overflow and out-of-bounds write via a large JSON file
2 May 202000:00
–freebsd
nessus
Tenable Nessus		Amazon Linux 2023 : libfastjson, libfastjson-devel (ALAS2023-2023-205)
8 Jun 202300:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : json-c, json-c-devel (ALAS2023-2023-232)
28 Jun 202300:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : json-c (ALAS-2020-1442)
2 Jul 202000:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : libfastjson (ALAS-2023-2079)
8 Jun 202300:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Centos6i686json-c0.11json-c-0.11-13.el6.tuxcare.els1.src.rpm
Centos6x86_64json-c0.11json-c-0.11-13.el6.tuxcare.els1.src.rpm
Centos6i686json-c-devel0.11json-c-0.11-13.el6.tuxcare.els1.src.rpm
Centos6x86_64json-c-devel0.11json-c-0.11-13.el6.tuxcare.els1.src.rpm
Centos6noarchjson-c-doc0.11json-c-0.11-13.el6.tuxcare.els1.src.rpm

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29 Oct 2026 18:11Current
7High risk
Vulners AI Score7
CVSS 26.8
CVSS 3.17.8
EPSS0.01895
SSVC
json-cinteger overflowout-of-bounds writeprintbuflinkhashunix
7