wireshark: DNS dissector crash in packet-dns.c
Published May 22, 2018
7.5
HIGHCVSS 3.0
EPSS 2.84%
Description
In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.
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: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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.84% (0.02842) | 86.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.86% (0.02858) | 84.87th | v5 (v2026.06.15) |
| Sep 23, 2025 | 1.18% (0.01183) | 78.05th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.19% (0.02186) | 82.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.96% (0.03964) | 80.34th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.19% (0.02186) | 83.22th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.34% (0.00335) | 72.12th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.34% (0.00335) | 70.47th | v3 (v2023.03.01) |
| Dec 16, 2023 | 0.34% (0.00335) | 68.16th | v3 (v2023.03.01) |
| Nov 22, 2023 | 0.37% (0.00367) | 69.49th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.26% (0.00259) | 63.38th | v3 (v2023.03.01) |
| Oct 13, 2023 | 0.19% (0.00189) | 56.16th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.23% (0.00232) | 60.24th | v3 (v2023.03.01) |
| May 16, 2023 | 0.36% (0.00355) | 67.87th | v3 (v2023.03.01) |
| May 8, 2023 | 0.27% (0.00273) | 63.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00178) | 53.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v1 |
| Jan 6, 2022 | 1.66% (0.01659) | 33.50th | v1 |
| Sep 1, 2021 | 1.66% (0.01659) | 73.96th | v1 |
| Apr 14, 2021 | 1.66% (0.01659) | 0.00th | v1 |
References (11)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/104308 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041036 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-11356 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14681 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1581768 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=4425716ddba99374749bd033d9bc0f4add2fb973 x_refsource_CONFIRM
- 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-2018-11356
- https://www.cve.org/CVERecord?id=CVE-2018-11356
- https://www.wireshark.org/security/wnpa-sec-2018-29.html x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.