Unspecified vulnerability in the TLS dissector in Wireshark 1.2.0 and 1.2.1, when running on Windows, allows remote attackers to cause a denial of service (application crash) via unknown vectors related to TLS 1.2 conversations
Published Sep 18, 2009
5.0
MEDIUMCVSS 2.0
EPSS 7.24%
Description
Unspecified vulnerability in the TLS dissector in Wireshark 1.2.0 and 1.2.1, when running on Windows, allows remote attackers to cause a denial of service (application crash) via unknown vectors related to TLS 1.2 conversations.
Affected products
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: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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 7.24% (0.07243) | 94.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.24% (0.07243) | 93.51th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.74% (0.04737) | 88.39th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.93% (0.05932) | 83.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.74% (0.04737) | 88.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.96% (0.03955) | 92.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.96% (0.03955) | 90.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.79% (0.06790) | 92.15th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.79% (0.06790) | 91.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.79% (0.06790) | 79.54th | v2 (v2022.01.01) |
No CWE recorded.
References (10)
- http://secunia.com/advisories/36754 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/37409 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/36408 vdb-entryx_refsource_BIDExploit
- http://www.wireshark.org/docs/relnotes/wireshark-1.2.2.html x_refsource_CONFIRM
- http://www.wireshark.org/security/wnpa-sec-2009-06.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2009-3243 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4008 x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2009-3243
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6413 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-3243
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/36754 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/37409 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/36408 | vdb-entryx_refsource_BIDExploit | |
| http://www.wireshark.org/docs/relnotes/wireshark-1.2.2.html | x_refsource_CONFIRM | |
| http://www.wireshark.org/security/wnpa-sec-2009-06.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2009-3243 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4008 | x_refsource_MISC | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-3243 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6413 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2009-3243 |
Change history (0)
No recorded changes yet.