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High USN-4292-1 4 CVEs

rsync vulnerabilities

Published Feb 25, 2020 · Updated Apr 27, 2026

Summary

It was discovered that rsync incorrectly handled pointer arithmetic in zlib.
An attacker could use this issue to cause rsync to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2016-9840,
CVE-2016-9841)

It was discovered that rsync incorrectly handled vectors involving left shifts
of negative integers in zlib. An attacker could use this issue to cause rsync
to crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-9842)

It was discovered that rsync incorrectly handled vectors involving big-endian
CRC calculation in zlib. An attacker could use this issue to cause rsync to
crash, resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2016-9843)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 16.04 LTS 16.04:LTS rsync 3.1.1-3ubuntu1.3
Ubuntu · 18.04 LTS 18.04:LTS rsync 3.1.2-2.1ubuntu1.1

Vulnerabilities 4

References

  • report
    https://ubuntu.com/security/CVE-2016-9840
  • report
    https://ubuntu.com/security/CVE-2016-9841
  • report
    https://ubuntu.com/security/CVE-2016-9842
  • report
    https://ubuntu.com/security/CVE-2016-9843