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Out-of-bounds Read Affecting glibc package, versions <2.34-0ubuntu3.2

medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.19% (56th percentile)
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NVD
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-UBUNTU2110-GLIBC-2359274
  • published 24 Jan 2022
  • disclosed 24 Aug 2022
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Introduced: 24 Jan 2022

CVE-2021-3998 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Ubuntu:21.10 glibc to version 2.34-0ubuntu3.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Ubuntu. See How to fix? for Ubuntu:21.10 relevant fixed versions and status.

A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.