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Integer Overflow or Wraparound Affecting klibc package, versions <2.0.3-0ubuntu1.14.04.3+esm2

low

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.2% (58th percentile)
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NVD
7.5 high

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  • Snyk ID SNYK-UBUNTU1404-KLIBC-1615104
  • published 29 Jan 2022
  • disclosed 30 Apr 2021
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Introduced: 30 Apr 2021

CVE-2021-31871 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Ubuntu:14.04 klibc to version 2.0.3-0ubuntu1.14.04.3+esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream klibc package and not the klibc package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.