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CVE-2023-6174Out-of-bounds Read in Wireshark
- 6.3MediumCVSS base score
- 0.75%Exploitation in 30 daysEPSS · top 45% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
SSH dissector crash in Wireshark 4.0.0 to 4.0.10 allows denial of service via packet injection or crafted capture file
Timeline
ID reserved
By GitLab
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 |
|---|---|---|---|
| GitLabCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
| 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)
- 0.75% · top 45% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Affected products
Wireshark Foundation · Wireshark
- affected 4.0.0 – < 4.0.11
What to do
Solution: Upgrade to version 4.0.11 or above.
References
References6
- https://www.wireshark.org/security/wnpa-sec-2023-28.html (opens in a new tab)x_transferred
- GitLab Issue #19369 (opens in a new tab)issue-trackingx_transferred
- https://www.debian.org/security/2023/dsa-5559 (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202402-09 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/34DBP5P2RHQ7XUABPANYYMOGV5KS6VEP/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/MADSCHKZSCKQ5NLIX3UMOIJD2JZ65L4V/ (opens in a new tab)x_transferred
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-2023-58424 (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-2023-6174)Record last updated .