CVE-2011-1956: n/a vulnerability

CVE-2011-1956: The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote atta...

The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 22:46 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2011-1956 is a Wireshark 1.4.5 crash issue. A crafted or arbitrary TCP traffic stream could make the application crash while dissecting traffic. Business impact is interruption to packet analysis, not evidence of system takeover or data theft in the provided sources. Exposure is most likely where Wireshark 1.4.5 remains installed and is used to inspect live traffic or packet captures containing TCP traffic. Modern supported Wireshark deployments are unlikely to be exposed, but the bundle does not provide full affected-version ranges. Treat as a low-complexity hygiene fix for security tooling. Prioritize if legacy Wireshark 1.4.5 exists on SOC, incident response, or network engineering workstations. It is not KEV-listed and the documented impact is application denial of service. Mitigation focus: Identify and remove Wireshark 1.4.5 installations from managed systems.; Upgrade to a vendor-supported Wireshark release following Wireshark guidance.; Review Wireshark 1.4.6 release notes for the vendor-documented correction..

Prepared: Jun 28, 2026, 00:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 6, 2011, 19:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:14943CVE reference · vdb-entry, signature
wireshark-desegmenttcp-dos(67789)CVE reference · vdb-entry, x_refsource_XF
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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