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CVSSv2

CVE-2021-4186

Published: 30/12/2021 Updated: 07/11/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

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Vendor Advisories

Red Hat: CVE-2021-4186
Crash in the Gryphon dissector in Wireshark 340 to 3410 allows denial of service via packet injection or crafted capture file ...
Amazon Linux 2022: ALAS2022-2022-079
A NULL pointer exception flaw was found in Wireshark A process failure on crafted or malformed input in the IPPUSB dissector can cause a denial of service via a packet injection or a crafted capture file (CVE-2021-39920) A NULL pointer exception flaw was found in Wireshark A process failure on crafted or malformed input in the Modbus dissector c ...
Amazon Linux 2022: ALAS-2022-226
ALAS-2022-226 Amazon Linux 2022 Security Advisory: ALAS-2022-226 Advisory Release Date: 2022-12-06 16:42 Pacific ...

References

CWE-476https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.jsonhttps://gitlab.com/wireshark/wireshark/-/issues/17737https://www.wireshark.org/security/wnpa-sec-2021-16.htmlhttps://security.gentoo.org/glsa/202210-04https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/https://nvd.nist.govhttps://access.redhat.com/security/cve/cve-2021-4186https://alas.aws.amazon.com/AL2022/ALAS-2022-079.html
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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