wireshark: TCP dissector could crash in epan/dissectors/packet-tcp.c
Published Apr 4, 2018
7.5
HIGHCVSS 3.0
EPSS 1.91%
Description
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
Affected products
No data.
Configuration 2
- 7.0
No data.
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
wireshark
Not affected
Red Hat Enterprise Linux 7
wireshark
Not affected
Red Hat Enterprise Linux 8
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 7 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 8 | wireshark | Not affected | 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:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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 | 1.91% (0.01908) | 79.03th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.91% (0.01908) | 78.85th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.29% (0.00291) | 69.37th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00291) | 68.17th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.29% (0.00291) | 65.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.51% (0.00514) | 73.06th | 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 |
References (8)
- https://access.redhat.com/security/cve/CVE-2018-9258 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14472 x_refsource_MISCExploitIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1565710 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=2d4695de1477df60b0188fd581c0c279db601978 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-9258
- https://www.cve.org/CVERecord?id=CVE-2018-9258
- https://www.wireshark.org/security/wnpa-sec-2018-21.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-9258 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14472 | x_refsource_MISCExploitIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1565710 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=2d4695de1477df60b0188fd581c0c279db601978 | x_refsource_MISC | |
| https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-9258 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-9258 | ||
| https://www.wireshark.org/security/wnpa-sec-2018-21.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.