CVE-2023-0668Wireshark IEEE-C37.118 parsing buffer overflow
- 6.5MediumCVSS base score
- 2.3%Exploitation in 30 daysEPSS · top 17% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
Due to failure in validating the length provided by an attacker-crafted IEEE-C37.118 packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By AHA
- 4 months later
· 4 months later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
Wireshark Foundation · Wireshark
- affected 4.0.0 – ≤ 4.0.5
- unaffected 4.0.6
- affected 3.6.0 – ≤ 3.6.13
- unaffected 3.6.14
References
References7
- https://takeonme.org/cves/CVE-2023-0668.html (opens in a new tab)third-party-advisoryx_transferred
- https://gitlab.com/wireshark/wireshark/-/issues/19087 (opens in a new tab)issue-trackingx_transferred
- https://www.wireshark.org/docs/relnotes/wireshark-4.0.6.html (opens in a new tab)release-notesx_transferred
- https://www.wireshark.org/security/wnpa-sec-2023-19.html (opens in a new tab)vendor-advisoryx_transferred
- https://www.debian.org/security/2023/dsa-5429 (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202309-02 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-12700 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-0668)Record last updated .