Excessive Iteration Affecting wireshark package, versions <2.6.20-0+deb9u2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.2% (59th percentile)

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  • Snyk IDSNYK-DEBIAN9-WIRESHARK-1923158
  • published20 Nov 2021
  • disclosed19 Nov 2021

Introduced: 19 Nov 2021

CVE-2021-39923  (opens in a new tab)
CWE-834  (opens in a new tab)

How to fix?

Upgrade Debian:9 wireshark to version 2.6.20-0+deb9u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wireshark package and not the wireshark package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

CVSS Scores

version 3.1