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CVE-2021-39923
Published: Nov 19, 2021
Modified: Aug 4, 2024
PUBLISHED
CVSS v3.1
7.5
HIGH
Description
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
| Vendor | Product | Versions |
|---|---|---|
Wireshark Foundation | Wireshark | affected >=3.2.0, <3.2.18affected >=3.4.0, <3.4.10 |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
x_refsource_CONFIRM
https://www.wireshark.org/security/wnpa-sec-2021-11.html
x_refsource_MISC
https://gitlab.com/wireshark/wireshark/-/issues/17684
x_refsource_MISC
DSA-5019
vendor-advisory
x_refsource_DEBIAN
[debian-lts-announce] 20211226 [SECURITY] [DLA 2849-1] wireshark security update
mailing-list
x_refsource_MLIST
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