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


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.2% (83rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UBUNTU2110-GLIBC-2359274
  • published24 Jan 2022
  • disclosed24 Aug 2022

Introduced: 24 Jan 2022

CVE-2021-3998  (opens in a new tab)
CWE-125  (opens 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.

CVSS Base Scores

version 3.1