CVE-2020-12762

HighCVSS 7.8/10Last modified Oct 14, 2026

Description

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

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190CWE-787

Affected software

No affected versions have been published.

Timeline

Published
May 9, 2020
Last modified
Oct 14, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-127639.8TRENDnet ProView Wireless camera TV-IP512WN 1.0R 1.0.4 is vulnerable to an unauthenticated stack-based buffer overflow in handling RTSP packCVE-2020-127645.3Gnuteca 3.8 allows file.php?folder=/&file= Directory Traversal.CVE-2020-127655.3Solis Miolo 2.0 allows index.php?module=install&action=view&item= Directory Traversal.CVE-2020-127669.8Gnuteca 3.8 allows action=main:search:simpleSearch SQL Injection via the exemplaryStatusId parameter.CVE-2020-127675.5exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.CVE-2020-127685.5An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: CVE-2020-127695.5An issue was discovered in the Linux kernel before 5.4.17. drivers/spi/spi-dw.c allows attackers to cause a panic via concurrent calls to dwCVE-2020-12777.8An elevation of privilege vulnerability exists in Windows Installer because of the way Windows Installer handles certain filesystem operatioCVE-2020-127706.7An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6CVE-2020-127715.5An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing opCVE-2020-127728.8An issue was discovered in Ignite Realtime Spark 2.8.3 (and the ROAR plugin for it) on Windows. A chat message can include an IMG element wiCVE-2020-127738.8A security misconfiguration vulnerability exists in the SDK of some Realtek ADSL/PON Modem SoC firmware, which allows attackers using a defa
CVE-2020-12762: High severity, CVSS 7.8 | Vulnix