CVE & CISA-KEV Catalog

CVE-2023-2906

MEDIUMEPSS 86th pctl
6.5
CVSS v3
NVD

Description

Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.

CWE-369

How to fix

Remediation Available
wireshark-cliAmazon
Fixed in:1:4.0.8-2.amzn2023.0.1
Fixed in:1:4.0.8-2.amzn2023.0.1
wireshark-cli-debuginfoAmazon
Fixed in:1:4.0.8-2.amzn2023.0.1
Fixed in:1:4.0.8-2.amzn2023.0.1
wireshark-debugsourceAmazon
Fixed in:1:4.0.8-2.amzn2023.0.1
Fixed in:1:4.0.8-2.amzn2023.0.1
wireshark-develAmazon
Fixed in:1:4.0.8-2.amzn2023.0.1
Fixed in:1:4.0.8-2.amzn2023.0.1
wiresharkDebian
Fixed in:4.0.11-1~deb12u1CVE-2023-2906
Fixed in:4.0.8-1CVE-2023-2906
Fixed in:4.0.8-1CVE-2023-2906

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

2.79%probability of exploitation in 30 days
86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Exploit1

Related Vulnerabilities

Other CWE-369 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2012-0207High7.520%-Fix
CVE-2017-8537Medium5.517%--
CVE-2017-8536Medium5.517%--
CVE-2017-8535Medium5.517%--
CVE-2007-2237Medium5.515%--
CVE-2025-0317High7.514%--

Common questions

How do I fix CVE-2023-2906?

Published advisories record a fix for 5 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2023-2906 being actively exploited?

Not that we know of. CVE-2023-2906 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 86% of all scored CVEs.

How severe is CVE-2023-2906?

CVE-2023-2906 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-2906 affect?

Published advisories record a fix for wireshark-cli (Amazon), wireshark-cli-debuginfo (Amazon), wireshark-debugsource (Amazon), wireshark-devel (Amazon), and 1 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.