wireshark: NBAP dissector crash in epan/dissectors/packet-nbap.c
Published Apr 4, 2018
7.5
HIGHCVSS 3.0
EPSS 2.84%
Description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was addressed in epan/dissectors/packet-nbap.c by prohibiting the self-linking of DCH-IDs.
Affected products
No data.
Configuration 1
Configuration 2
- 7.0
- 8.0
- 9.0
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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.84% (0.02839) | 86.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.94% (0.02938) | 85.27th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.65% (0.00652) | 69.17th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.24% (0.00242) | 63.44th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00289) | 68.09th | v3 (v2023.03.01) |
| Aug 26, 2023 | 0.29% (0.00289) | 65.01th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.30% (0.00300) | 65.28th | v3 (v2023.03.01) |
| Mar 29, 2023 | 0.33% (0.00328) | 66.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00391) | 69.13th | 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 | 1.25% (0.01247) | 30.57th | v1 |
| Jan 6, 2022 | 1.25% (0.01247) | 29.93th | v1 |
| Sep 1, 2021 | 1.25% (0.01247) | 68.62th | v1 |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- https://access.redhat.com/security/cve/CVE-2018-9261 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14471 x_refsource_MISCExploitIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1565742 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=66bc372716e04d6a8afdf6712583c9b5d11fee55 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-2018-9261
- https://www.cve.org/CVERecord?id=CVE-2018-9261
- https://www.debian.org/security/2018/dsa-4217 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-18.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-9261 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14471 | x_refsource_MISCExploitIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1565742 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=66bc372716e04d6a8afdf6712583c9b5d11fee55 | 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-2018-9261 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-9261 | ||
| https://www.debian.org/security/2018/dsa-4217 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.wireshark.org/security/wnpa-sec-2018-18.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.