wireshark: stack overflow via crafted LWAPP Layer 3 Packet
Published Apr 4, 2018
7.5
HIGHCVSS 3.0
EPSS 2.26%
Description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the LWAPP dissector could crash. This was addressed in epan/dissectors/packet-lwapp.c by limiting the encapsulation levels to restrict the recursion depth.
Affected products
No data.
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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.26% (0.02258) | 82.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.34% (0.02337) | 81.32th | 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) |
| Jul 8, 2023 | 0.29% (0.00291) | 64.76th | v3 (v2023.03.01) |
| Mar 29, 2023 | 0.43% (0.00432) | 70.60th | 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) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | 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 | v1 |
| Jan 6, 2022 | 1.04% (0.01040) | 27.69th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- https://access.redhat.com/security/cve/CVE-2018-9256 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14467 x_refsource_MISCExploitIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1565674 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=dac48f148538c706c446e5105d84ebcb54587528 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-9256
- https://www.cve.org/CVERecord?id=CVE-2018-9256
- https://www.wireshark.org/security/wnpa-sec-2018-20.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-9256 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14467 | x_refsource_MISCExploitIssue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1565674 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=dac48f148538c706c446e5105d84ebcb54587528 | x_refsource_MISC | |
| https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-9256 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-9256 | ||
| https://www.wireshark.org/security/wnpa-sec-2018-20.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.