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Out-of-bounds Write Affecting json-c package, versions <0.11-4+deb8u2

0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.11% (44th percentile)
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NVD
7.8 high
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SUSE
7.8 high
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Red Hat
7.8 high

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  • Snyk ID SNYK-DEBIAN8-JSONC-568813
  • published 11 May 2020
  • disclosed 9 May 2020
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Introduced: 9 May 2020

CVE-2020-12762 Open this link in a new tab
CWE-787 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Debian:8 json-c to version 0.11-4+deb8u2 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:8 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