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OpenAdvisories
Critical USN-5570-2 1 CVE

zlib vulnerability

Published Oct 17, 2022 · Updated Apr 22, 2026

Summary

USN-5570-1 fixed a vulnerability in zlib. This update provides the
corresponding update for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS.

Original advisory details:

Evgeny Legerov discovered that zlib incorrectly handled memory when
performing certain inflate operations. An attacker could use this issue
to cause zlib to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS zlib 1:1.2.11.dfsg-2ubuntu1.5
Ubuntu · 22.04 LTS 22.04:LTS zlib 1:1.2.11.dfsg-2ubuntu9.2

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2022-37434