CVE-2023-2906: Wireshark · Divide By Zero
Affects WiresharkSource CVE Database V5
Not known to be exploited.
Data as of 26 Oct 2026, 14:05 UTC
Rated Medium by the CNA (AHA) · No CVSS score from NVD or the CNA
- EPSS
- 2.7% chance of exploitation in 30 days – higher than 86% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 25 Aug 2023
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubwireshark/wiresharkpkg:github/wireshark/wiresharkOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should check the Wireshark Foundation's official advisories for updates or patches addressing this vulnerability. Until a fix is available, avoid processing untrusted CP2179 packets or use alternative methods to analyze such traffic.
Description
Wireshark versions 2.0.0 through 4.0.7 contain a divide-by-zero vulnerability due to improper validation of the length field in CP2179 packets. This flaw can be triggered by an attacker crafting a malicious packet, leading to a denial of service condition in the affected software.
References
- takeonme.org/cves/CVE-2023-2906.html (opens in a new tab)
- gitlab.com/wireshark/wireshark/-/issues/19229 (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ/ (opens in a new tab)
- lists.debian.org/debian-lts-announce/2024/09/msg00049.html (opens in a new tab)