Is CVE-2023-2906 in the CISA KEV catalog?

No. CVE-2023-2906 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-2906?

CVE-2023-2906 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-2906?

CVE-2023-2906 has an EPSS score of 2.77% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-2906?

Upgrade wireshark on debian 11 to 3.4.16-0+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2023-2906

MEDIUMEPSS 84th 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

wiresharkDebian

Fixed in:3.4.16-0+deb11u1CVE-2023-2906

Fixed in:4.0.11-1~deb12u1CVE-2023-2906

Fixed in:4.0.8-1CVE-2023-2906

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

2.77%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch1

gitlab.com

Exploit1

takeonme.org

Other references4

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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 2025-11-03.