wireshark: DoS in the DCOM ISystemActivator dissector due improper remaining data to process presence check (wnpa-sec-2013-44)
Published Jul 29, 2013
5.0
MEDIUMCVSS 2.0
EPSS 2.85%
Description
epan/dissectors/packet-dcom-sysact.c in the DCOM ISystemActivator dissector in Wireshark 1.10.x before 1.10.1 does not properly determine whether there is remaining packet data to process, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
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
| 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 |
No package ranges for this CVE.
Remediation
Red Hat statement
Not Vulnerable. This issue does not affect the version of wireshark, as shipped with Red Hat Enterprise Linux 5 and 6.
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: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 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 | 2.85% (0.02848) | 86.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.85% (0.02848) | 84.82th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.07% (0.01075) | 75.80th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.28% (0.03278) | 78.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.62% (0.00616) | 68.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.39% (0.00386) | 74.01th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00386) | 72.42th | v3 (v2023.03.01) |
| Mar 11, 2023 | 0.39% (0.00386) | 68.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.37% (0.00371) | 68.32th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (13)
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-dcom-sysact.c?r1=50478&r2=50477&pathrev=50478 x_refsource_CONFIRMPatch
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=50478 x_refsource_CONFIRMPatch
- http://secunia.com/advisories/54296 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/54425 third-party-advisoryx_refsource_SECUNIA
- http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml vendor-advisoryx_refsource_GENTOO
- http://www.wireshark.org/docs/relnotes/wireshark-1.10.1.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2013-4926 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8828 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=990165 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-4926
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17547 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2013-4926
- https://www.wireshark.org/security/wnpa-sec-2013-44.html x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.