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CVE-2023-2906

23
FAUCET Score

CVE-2023-2906 describes a denial-of-service vulnerability affecting Wireshark versions 2.0.0 through 4.0.7. This flaw stems from a failure to validate the length of attacker-crafted CP2179 packets, leading to a divide-by-zero error. Rated as Medium severity with a CVSS score of 6.5, the vulnerability can be triggered remotely with low attack complexity, requiring user interaction to achieve a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, <= 4.0.7CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.77%
Probability of exploitation in next 30 days
EPSS Percentile
84.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0277 is in the 93rd percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc
Product: 18324-16823Fixed in: 4.0.8-1
microsoftpatch availablevia msrc
Product: cbl2 wireshark 4.0.8-1 on CBL Mariner 2.0Fixed in: 4.0.8-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 4.0.8-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 4.0.8-1
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: wireshark
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: wireshark
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: wireshark

Vendor Advisories (3)

microsoft2023-Sep/CVE-2023-2906

CVE-2023-2906

Sep 12, 2023
redhatCVE-2023-2906Moderate

wireshark: possible Denial of Service via crafted package

Aug 25, 2023
microsoft2023-Aug/CVE-2023-2906Moderate

Wireshark CP2179 divide by zero

Aug 8, 2023

References

lists.debian.org / debian-lts-announce/2024/09/msg00049.html
gitlab.com / wireshark/wireshark/-/issues/19229
ExploitIssue TrackingPatchThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C
lists.fedoraproject.org / archives/list/[email protected]/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF
lists.fedoraproject.org / archives/list/[email protected]/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ
takeonme.org / cves/CVE-2023-2906.html
ExploitThird Party Advisory