HIGH
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop
Published Feb 23, 2018
7.5
HIGHCVSS 3.1
EPSS 1.70%
Description
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
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 Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.70% 0.01701
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01701
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.70% (0.01701) | 76.37th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.70% (0.01701) | 76.18th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.21% (0.00215) | 60.01th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.21% (0.00215) | 59.74th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00215) | 57.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
Weaknesses (1)
References (4)
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408 x_refsource_CONFIRMExploitIssue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=656812ee1f2a8ddfd383b02a066e888f5919e17a x_refsource_CONFIRM
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e8be5adae469ba563acfad2c2b98673e1afaf901 x_refsource_CONFIRM
- https://www.wireshark.org/security/wnpa-sec-2018-06.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408 | x_refsource_CONFIRMExploitIssue TrackingVendor Advisory | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=656812ee1f2a8ddfd383b02a066e888f5919e17a | x_refsource_CONFIRM | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e8be5adae469ba563acfad2c2b98673e1afaf901 | x_refsource_CONFIRM | |
| https://www.wireshark.org/security/wnpa-sec-2018-06.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 23, 2018
Updated Aug 5, 2024
Reserved Feb 22, 2018
Link CVE-2018-7421
CISA Vulnrichment
Updated n/a