CVE-2020-12762

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2020-12762
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12762.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-12762
Downstream
Related
Published
2020-05-09T18:15:11.283Z
Modified
2026-04-16T00:02:54.531579771Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

Database specific 
{
    "unresolved_ranges": [
        {
            "cpe": "cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "1.0-NA"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "1.0-sp1"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "12.04"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "14.04"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "16.04"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "18.04"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "19.10"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "20.04"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "30"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "31"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "32"
                }
            ],
            "source": "CPE_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/json-c/json-c

Affected ranges

Type
GIT
Repo
https://github.com/json-c/json-c
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
9021cdcdd01fc9dbcbe1f06391848c2ac915212f
Database specific 
{
    "cpe": "cpe:2.3:a:json-c:json-c:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.15-20200726"
        }
    ],
    "source": "CPE_FIELD"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12762.json"