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No exploitation reportedFix available

CVE-2023-1993

No exploitation reported by the sources we read.

  • Published2023-04-12
  • Fixed in4.0.5 · 3.6.13
  • WeaknessCWE-834

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

LISP dissector large loop in Wireshark 4.0.0 to 4.0.4 and 3.6.0 to 3.6.12 allows denial of service via packet injection or crafted capture file

Timeline

dates in UTC
  1. 2023-04-1221:15CVE publishedNVD

Versions per branch

NVD
Wireshark
BranchAffectedFixed in
4.0≥ 4.0.0, < 4.0.54.0.5
3.6≥ 3.6.0, < 3.6.133.6.13
Fedoraproject fedora
BranchAffectedFixed in
36.x= 36no fix published
37.x= 37no fix published
38.x= 38no fix published
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published
12.0= 12.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitLab, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Wireshark Foundation Wireshark
    Affected
    • = >=4.0.0, <4.0.5no fix stated
    • = >=3.6.0, <3.6.13no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-09-17

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • wiresharkUbuntu:Pro:22.04:LTSall versions · no fixed version listed
  • wiresharkUbuntu:Pro:20.04:LTSall versions · no fixed version listed
  • wiresharkUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • wiresharkUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • wiresharkUbuntu:Pro:14.04:LTSall versions · no fixed version listed
  • wiresharkTuxCare:AlmaLinux:9.2all versions · fixed in 1:3.4.10-4.el9_2.tuxcare.els13and 2 other packages
  • wiresharkSUSE:Manager Server 4.2all versions · fixed in 3.6.13-150000.3.89.1
  • wiresharkSUSE:Manager Proxy 4.2all versions · fixed in 3.6.13-150000.3.89.1

24 more package ranges on OSV.dev

Vendor advisories

  • CVE-2023-1993 Red Hat Product Security16 known affected

    wireshark: LISP dissector large loop

    wireshark as a component of Red Hat Enterprise Linux 6 · wireshark-devel as a component of Red Hat Enterprise Linux 6 · wireshark-gnome as a component of Red Hat Enterprise Linux 6 · +13 more

Full record on NVD

Fix

  1. Update Wireshark to 4.0.5 · 3.6.13
  2. No fix available, says the vendor Red Hat Product Security CVE-2023-1993 · 8 productsFix deferred
  3. No fix planned, says the vendor Red Hat Product Security CVE-2023-1993 · 8 productsOut of support scope

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2023-04-12
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-h4rg-h5cx-4r4w

Frequently asked questions

What is CVE-2023-1993?

LISP dissector large loop in Wireshark 4.0.0 to 4.0.4 and 3.6.0 to 3.6.12 allows denial of service via packet injection or crafted capture file

Is CVE-2023-1993 actively exploited?

Active exploitation of CVE-2023-1993 has not been confirmed. Its EPSS score was 4.1% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-1993?

CVE-2023-1993 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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Sources for this record