Use After Free Affecting glibc package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.13% (48th percentile)

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  • Snyk IDSNYK-UNMANAGED-GLIBC-5898486
  • published13 Sept 2023
  • disclosed12 Sept 2023
  • creditSiddhesh Poyarekar

Introduced: 12 Sep 2023

CVE-2023-4806  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for glibc.

Overview

Affected versions of this package are vulnerable to Use After Free. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash.

Note:

This issue is only exploitable when a NSS module implements only the _nss_*_gethostbyname2_r hook without implementing the _nss_*_gethostbyname3_r hook.

CVSS Scores

version 3.1