Wireshark: DoS (excessive CPU use) in OPCUA dissector
Published Sep 18, 2009
7.8
HIGHCVSS 2.0
EPSS 9.70%
Description
Unspecified vulnerability in the OpcUa (OPC UA) dissector in Wireshark 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1 allows remote attackers to cause a denial of service (memory and CPU consumption) via malformed OPCUA Service CallRequest packets.
Affected products
No data.
- 0.99.6
- 0.99.6a
- 0.99.7
- 0.99.8
- 0.99.9
- 1.0
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.0.5
- 1.0.6
- 1.0.7
- 1.0.8
- 1.2
- 1.2.0
- 1.2.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 3, 4, or 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
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 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 9.70% (0.09698) | 95.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.70% (0.09698) | 94.88th | v5 (v2026.06.15) |
| Apr 6, 2026 | 4.77% (0.04771) | 89.43th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.19% (0.06188) | 89.90th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.91% (0.08906) | 87.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.32% (0.05323) | 89.34th | v4 (v2025.03.14) |
| Dec 17, 2024 | 5.45% (0.05452) | 93.07th | v3 (v2023.03.01) |
| Sep 21, 2023 | 7.06% (0.07056) | 93.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.19% (0.08190) | 93.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
No CWE recorded.
References (16)
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/36754 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/37409 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/37477 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2009/dsa-1942 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/36408 vdb-entryx_refsource_BIDExploit
- http://www.wireshark.org/docs/relnotes/wireshark-1.0.9.html x_refsource_CONFIRM
- http://www.wireshark.org/docs/relnotes/wireshark-1.2.2.html x_refsource_CONFIRM
- http://www.wireshark.org/security/wnpa-sec-2009-05.html x_refsource_CONFIRMPatchVendor Advisory
- http://www.wireshark.org/security/wnpa-sec-2009-06.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2009-3241 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3986 x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=523987 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-3241
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6162 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-3241
Change history (0)
No recorded changes yet.