wireshark: Stack-based buffer overflow in the LDP dissector
Published Oct 4, 2012
5.8
MEDIUMCVSS 2.0
EPSS 1.39%
Description
Buffer overflow in the dissect_tlv function in epan/dissectors/packet-ldp.c in the LDP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a malformed packet.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
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 |
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:A/AC:L/Au:N/C:P/I:P/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.39% (0.01391) | 71.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.39% (0.01391) | 68.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.72% (0.00721) | 70.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.34% (0.00343) | 72.38th | v3 (v2023.03.01) |
| May 4, 2024 | 0.34% (0.00343) | 71.36th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00322) | 69.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00322) | 65.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (12)
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ldp.c?r1=44801&r2=44800&pathrev=44801 x_refsource_CONFIRM
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=44801 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/55754 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027604 vdb-entryx_refsource_SECTRACK
- http://www.wireshark.org/security/wnpa-sec-2012-29.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2012-5240 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7046 x_refsource_CONFIRM
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7567 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=862510 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-5240
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15691 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-5240
| Link | Providers | Tags |
|---|---|---|
| http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ldp.c?r1=44801&r2=44800&pathrev=44801 | x_refsource_CONFIRM | |
| http://anonsvn.wireshark.org/viewvc?view=revision&revision=44801 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/55754 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1027604 | vdb-entryx_refsource_SECTRACK | |
| http://www.wireshark.org/security/wnpa-sec-2012-29.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2012-5240 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7046 | x_refsource_CONFIRM | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7567 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=862510 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-5240 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15691 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2012-5240 |
Change history (0)
No recorded changes yet.