CVE-2021-22222
HIGH severity · CVSS 7.5 · CWE-835
7.5CVSS HIGH
Summary
Infinite loop in DVB-S2-BB dissector in Wireshark 3.4.0 to 3.4.5 allows denial of service via packet injection or crafted capture file
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://gitlab.com/wireshark/wireshark/-/merge_requests/3130 ↗
Additional information
- NVD record
- https://gitlab.com/wireshark/wireshark/-/merge_requests/3130Patch
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch
- https://www.wireshark.org/security/wnpa-sec-2021-05.htmlAdvisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.jsonAdvisory
- https://security.gentoo.org/glsa/202107-21Advisory
- https://www.debian.org/security/2021/dsa-5019Advisory