Out-of-bounds Write Affecting json-c package, versions <0.13.1+dfsg-8


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.08% (38th percentile)

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  • Snyk IDSNYK-DEBIAN11-JSONC-568810
  • published11 May 2020
  • disclosed9 May 2020

Introduced: 9 May 2020

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

How to fix?

Upgrade Debian:11 json-c to version 0.13.1+dfsg-8 or higher.

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 Debian. See How to fix? for Debian:11 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 Base Scores

version 3.1