Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2022-0582

NULL Pointer Dereference

Published: Feb 14, 2022 | Modified: Nov 03, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
9.8 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
root.io logo minimus.io logo echo.ai logo
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2022-0582
CWEhttps://cwe.mitre.org/data/definitions/476.html

Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
WiresharkWireshark3.4.0 (including)3.4.12 (excluding)
WiresharkWireshark3.6.0 (including)3.6.0 (including)
WiresharkWireshark3.6.1 (including)3.6.1 (including)
WiresharkUbuntubionic*
WiresharkUbuntuesm-apps/bionic*
WiresharkUbuntuesm-apps/focal*
WiresharkUbuntuesm-apps/xenial*
WiresharkUbuntuesm-infra-legacy/trusty*
WiresharkUbuntufocal*
WiresharkUbuntuimpish*
WiresharkUbuntukinetic*
WiresharkUbuntulunar*
WiresharkUbuntumantic*
WiresharkUbuntutrusty*
WiresharkUbuntutrusty/esm*
WiresharkUbuntuupstream*
WiresharkUbuntuxenial*

Potential Mitigations

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2026 Aqua Security Software Ltd.   Privacy Policy | Terms of Use