wireshark: Modbus dissector crash (wnpa-sec-2017-40)
Published Aug 30, 2017
7.5
HIGHCVSS 3.0
EPSS 1.24%
Description
In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
wireshark
Will not fix
Red Hat Enterprise Linux 7
wireshark
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | wireshark | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | wireshark | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.24% (0.01241) | 68.08th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.25% (0.01252) | 68.10th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.28% (0.00279) | 68.66th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00279) | 67.44th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.28% (0.00279) | 64.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00297) | 64.54th | 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 | 1.25% (0.01247) | 30.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- http://www.securityfocus.com/bid/100545 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1039254 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2017-13764 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1486630 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd12bddf64582c0a6e082b462744474de94 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2017-13764
- https://www.cve.org/CVERecord?id=CVE-2017-13764
- https://www.wireshark.org/security/wnpa-sec-2017-40.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100545 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1039254 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2017-13764 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1486630 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd12bddf64582c0a6e082b462744474de94 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-13764 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-13764 | ||
| https://www.wireshark.org/security/wnpa-sec-2017-40.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.