CVE-2011-2174: n/a vulnerability

CVE-2011-2174: Double free vulnerability in the tvb_uncompress function in epan/tvbuff.c in Wireshark 1.2.x before 1.2.17...

Double free vulnerability in the tvb_uncompress function in epan/tvbuff.c in Wireshark 1.2.x before 1.2.17 and 1.4.x before 1.4.7 allows remote attackers to cause a denial of service (application crash) via a packet with malformed data that uses zlib compression.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 22:53 UTC (UTC+00:00)

Security readout for executives and security teams

This issue affects older Wireshark releases and can crash the application when it processes malformed zlib-compressed packet data. The business impact is disruption to packet analysis or security operations, not confirmed data theft or code execution in the provided sources. Exposure is mainly systems running legacy Wireshark 1.2.x or 1.4.x, especially analyst workstations or tooling that opens untrusted captures or inspects malformed compressed packet data. Treat this as a legacy tooling stability risk. Prioritize remediation where Wireshark is used in SOC, incident response, or network troubleshooting workflows that handle untrusted traffic or captures. Mitigation focus: Upgrade Wireshark to 1.2.17, 1.4.7, or a supported newer release.; Apply relevant vendor distribution updates, including Fedora or Debian advisories where applicable.; Avoid opening untrusted packet captures on vulnerable Wireshark versions..

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

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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

5Source 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
https://bugzilla.redhat.com/show_bug.cgi?id=710097CVE reference · x_refsource_CONFIRM
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5908CVE reference · x_refsource_CONFIRM
oval:org.mitre.oval:def:14777CVE reference · vdb-entry, signature
wireshark-compressed-packet-dos(67793)CVE reference · vdb-entry, x_refsource_XF

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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