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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libvncserver package, versions <0.9.11+dfsg-1.2

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.79% (82nd percentile)

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  • Snyk IDSNYK-DEBIAN10-LIBVNCSERVER-316707
  • published19 Dec 2018
  • disclosed19 Dec 2018
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Introduced: 19 Dec 2018

CVE-2018-20021  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Debian:10 libvncserver to version 0.9.11+dfsg-1.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvncserver package and not the libvncserver package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM