HIGH
wireshark: DNS dissector infinite loop (wnpa-sec-2017-26)
Published Jun 2, 2017
7.5
HIGHCVSS 3.0
EPSS 3.02%
Description
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the DNS dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dns.c by trying to detect self-referencing pointers.
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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
5.9 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.02% 0.03024
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03024
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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.02% (0.03024) | 86.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.02% (0.03024) | 85.69th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.68% (0.00682) | 69.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.50% (0.02497) | 75.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.68% (0.00682) | 69.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00305) | 70.62th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00305) | 68.96th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.30% (0.00305) | 66.41th | v3 (v2023.03.01) |
| May 8, 2023 | 0.25% (0.00252) | 61.54th | v3 (v2023.03.01) |
| Mar 18, 2023 | 0.22% (0.00225) | 59.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00320) | 65.83th | 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 | 1.45% (0.01454) | 32.67th | v1 |
| Jan 6, 2022 | 1.45% (0.01454) | 31.96th | v1 |
| Sep 1, 2021 | 1.45% (0.01454) | 71.88th | v1 |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
Weaknesses (1)
References (10)
- http://www.securityfocus.com/bid/98798 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038612 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-9345 Vendor Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1206 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13633 x_refsource_MISCIssue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1458140 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e280c9b637327a65d132bfe72d917b87e6844eb5 x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2017-9345
- https://www.cve.org/CVERecord?id=CVE-2017-9345
- https://www.wireshark.org/security/wnpa-sec-2017-26.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/98798 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038612 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-9345 | Vendor Advisory | |
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1206 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13633 | x_refsource_MISCIssue TrackingPatchVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1458140 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e280c9b637327a65d132bfe72d917b87e6844eb5 | x_refsource_MISC | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-9345 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-9345 | ||
| https://www.wireshark.org/security/wnpa-sec-2017-26.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 2, 2017
Updated Aug 5, 2024
Reserved Jun 1, 2017
Link CVE-2017-9345
CISA Vulnrichment
Updated n/a