6.5

CVE-2023-2906: wireshark foundation wireshark Divide By Zero

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-2906DEBIAN-CVE-2023-2906
Published 25-08-2023Last modified 03-11-2025

Vulnerability summary

CVE-2023-2906 is a medium (CVSS 6.5) Divide By Zero vulnerability in wireshark foundation wireshark. EPSS estimates a 2.79% chance of exploitation in the next 30 days, higher than 86.2% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
2.79%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 5 · Related 2

Timeline

  1. 25-08-2023
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

2.79%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.79% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (takeonme.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • wireshark< 4.0.11-1~deb12u1 | < 4.0.8-1
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
Wireshark foundation1 product

4 vendors · 4 products

References

11 links
Show all 11 references