Integer Overflow or Wraparound Affecting json-c package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-RHEL7-JSONC-1392243
  • published26 Jul 2021
  • disclosed2 May 2020

Introduced: 2 May 2020

CVE-2020-12762  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 json-c.

NVD Description

Note: Versions mentioned in the description apply only to the upstream json-c package and not the json-c package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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

References

CVSS Scores

version 3.1