Wireshark: CSN.1 dissector vulnerability
Published Sep 20, 2011
4.3
MEDIUMCVSS 2.0
EPSS 1.66%
Description
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.2 does not initialize a certain structure member, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 4, 5, or 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:M/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.66% (0.01656) | 75.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.66% (0.01656) | 73.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.12% (0.01120) | 76.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.84% (0.00837) | 82.76th | v3 (v2023.03.01) |
| Jun 7, 2024 | 0.84% (0.00837) | 82.11th | v3 (v2023.03.01) |
| Oct 9, 2023 | 0.84% (0.00837) | 80.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.82% (0.00824) | 79.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (13)
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=38430 x_refsource_CONFIRMPatch
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:138 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2011/09/13/1 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2011/09/14/10 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2011/09/14/5 mailing-listx_refsource_MLISTExploit
- http://www.openwall.com/lists/oss-security/2011/09/14/9 mailing-listx_refsource_MLIST
- http://www.wireshark.org/security/wnpa-sec-2011-16.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2011-3482 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6139 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=737783 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-3482
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14886 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-3482
Change history (0)
No recorded changes yet.