CVE-2021-22173

Public Exploit

Description

Memory leak in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file

Category

3.7
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.50%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory wireshark.org
Affected: The Wireshark Foundation Wireshark
Published at:
Updated at:

References

Link Tags
https://www.wireshark.org/security/wnpa-sec-2021-01.html vendor advisory
https://gitlab.com/wireshark/wireshark/-/issues/17124 third party advisory exploit
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22173.json third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GND3PIQC3KZALR227V4YUMPKJBA5BZG4/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYXLKQJ3D632XSG6VO7M4YFDAG6GRCLY/ vendor advisory
https://www.oracle.com/security-alerts/cpuApr2021.html third party advisory patch
https://security.gentoo.org/glsa/202107-21 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-22173?
CVE-2021-22173 has been scored as a low severity vulnerability.
How to fix CVE-2021-22173?
To fix CVE-2021-22173, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22173 being actively exploited in the wild?
It is possible that CVE-2021-22173 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22173?
CVE-2021-22173 affects The Wireshark Foundation Wireshark.
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