ByteOS Network

CVE Vulnerability Details :

CVE-2020-12762

PUBLISHED

More Info Official Page

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-09 May, 2020 | 00:00

Updated At-03 Nov, 2025 | 19:25

▼CVE Numbering Authority (CNA)

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

Affected Products

Vendor

n/a

Product

n/a

Versions

Affected

Problem Types

Type	CWE ID	Description
text	N/A	n/a

Type: text

CWE ID: N/A

Description: n/a

References

Hyperlink	Resource
https://github.com/json-c/json-c/pull/592	N/A
https://github.com/rsyslog/libfastjson/issues/161	N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/	vendor-advisory
https://usn.ubuntu.com/4360-1/	vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/	vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/	vendor-advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html	mailing-list
https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html	mailing-list
https://usn.ubuntu.com/4360-4/	vendor-advisory
https://security.gentoo.org/glsa/202006-13	vendor-advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html	mailing-list
https://www.debian.org/security/2020/dsa-4741	vendor-advisory
https://security.netapp.com/advisory/ntap-20210521-0001/	N/A
https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf	N/A
https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html	mailing-list

Hyperlink: https://github.com/json-c/json-c/pull/592

Resource: N/A

Hyperlink: https://github.com/rsyslog/libfastjson/issues/161

Resource: N/A

Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/

Resource:

vendor-advisory

Hyperlink: https://usn.ubuntu.com/4360-1/

Resource:

vendor-advisory

Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/

Resource:

vendor-advisory

Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/

Resource:

vendor-advisory

Hyperlink: https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html

Resource:

mailing-list

Hyperlink: https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html

Resource:

mailing-list

Hyperlink: https://usn.ubuntu.com/4360-4/

Resource:

vendor-advisory

Hyperlink: https://security.gentoo.org/glsa/202006-13

Resource:

vendor-advisory

Hyperlink: https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html

Resource:

mailing-list

Hyperlink: https://www.debian.org/security/2020/dsa-4741

Resource:

vendor-advisory

Hyperlink: https://security.netapp.com/advisory/ntap-20210521-0001/

Resource: N/A

Hyperlink: https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf

Resource: N/A

Hyperlink: https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html

Resource:

mailing-list

▼Authorized Data Publishers (ADP)

1. CVE Program Container

References

Hyperlink	Resource
https://github.com/json-c/json-c/pull/592	x_transferred
https://github.com/rsyslog/libfastjson/issues/161	x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/	vendor-advisory x_transferred
https://usn.ubuntu.com/4360-1/	vendor-advisory x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/	vendor-advisory x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/	vendor-advisory x_transferred
https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html	mailing-list x_transferred
https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html	mailing-list x_transferred
https://usn.ubuntu.com/4360-4/	vendor-advisory x_transferred
https://security.gentoo.org/glsa/202006-13	vendor-advisory x_transferred
https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html	mailing-list x_transferred
https://www.debian.org/security/2020/dsa-4741	vendor-advisory x_transferred
https://security.netapp.com/advisory/ntap-20210521-0001/	x_transferred
https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf	x_transferred
https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html	mailing-list x_transferred
https://lists.debian.org/debian-lts-announce/2025/07/msg00021.html	N/A

Hyperlink: https://github.com/json-c/json-c/pull/592

Resource:

x_transferred

Hyperlink: https://github.com/rsyslog/libfastjson/issues/161

Resource:

x_transferred

Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/

Resource:

vendor-advisory

x_transferred

Hyperlink: https://usn.ubuntu.com/4360-1/

Resource:

vendor-advisory

x_transferred

Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/

Resource:

vendor-advisory

x_transferred

Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/

Resource:

vendor-advisory

x_transferred

Hyperlink: https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html

Resource:

mailing-list

x_transferred

Hyperlink: https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html

Resource:

mailing-list

x_transferred

Hyperlink: https://usn.ubuntu.com/4360-4/

Resource:

vendor-advisory

x_transferred

Hyperlink: https://security.gentoo.org/glsa/202006-13

Resource:

vendor-advisory

x_transferred

Hyperlink: https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html

Resource:

mailing-list

x_transferred

Hyperlink: https://www.debian.org/security/2020/dsa-4741

Resource:

vendor-advisory

x_transferred

Hyperlink: https://security.netapp.com/advisory/ntap-20210521-0001/

Resource:

x_transferred

Hyperlink: https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf

Resource:

x_transferred

Hyperlink: https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html

Resource:

mailing-list

x_transferred

Hyperlink: https://lists.debian.org/debian-lts-announce/2025/07/msg00021.html

Resource: N/A

2. CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-787	CWE-787 Out-of-bounds Write

Type: CWE

CWE ID: CWE-787

Description: CWE-787 Out-of-bounds Write

Metrics

Version	Base score	Base severity	Vector
3.1	7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Version: 3.1

Base score: 7.8

Base severity: HIGH

Vector:

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References