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Public proof of conceptFix available

CVE-2022-23946

A public proof of concept exists; no exploitation attested.

  • Published2022-02-04
  • WeaknessCWE-121 · CWE-787

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

A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon GCodeNumber parsing functionality of KiCad EDA 6.0.1 and master commit de006fc010. A specially-crafted gerber or excellon file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Timeline

dates in UTC
  1. 2022-02-0423:15CVE publishedNVD

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published
11.0= 11.0no fix published
Fedoraproject fedora
BranchAffectedFixed in
35.x= 35no fix published
Kicad kicad eda
BranchAffectedFixed in
6.0= 6.0.1no 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 talos, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • KiCad
    Affected
    • = KiCad EDA 6.0.1,KiCad EDA master commit de006fc010no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-08-22

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

  • kicadUbuntu:Pro:20.04:LTSall versions · fixed in 5.1.5+dfsg1-2ubuntu0.1~esm1
  • kicadUbuntu:Pro:18.04:LTSall versions · fixed in 4.0.7+dfsg1-1ubuntu2+esm1
  • kicadMageia:8all versions · fixed in 5.1.12-1.1.mga8
  • kicadDebian:14all versions · fixed in 6.0.2+dfsg-1
  • kicadDebian:13all versions · fixed in 6.0.2+dfsg-1
  • kicadDebian:12all versions · fixed in 6.0.2+dfsg-1
  • kicadDebian:11all versions · fixed in 5.1.9+dfsg1-1+deb11u1
  • kicadDebian:10all versions · fixed in 5.0.2+dfsg1-1+deb10u1

1 more package range on OSV.dev

Vendor advisories

  • CVE-2022-23946 Red Hat Product Security

    kicad: KiCad 6.0.1 Stack-based buffer overflow in GCodeNumber parsing

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

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

Sources

  • CISA-ADPSSVC decisionpoc2025-04-15
  • NVDCVSS 3.17.8read 2026-10-23
  • CNACVSS 3.07.8known since 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • CNAweakness (CWE)CWE-121known since 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score1.7 %2026-11-09
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

  • EUVD-2022-28862same flawENISA EUVD · LicenseRef-ENISA-legal-notice
  • GHSA-5xw6-g598-2v26same flawGitHub Advisory Database · CC-BY-4.0
  • DLA-2998-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DLA-3078-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DSA-5214-1advisory covering several CVEsDebian · LicenseRef-unstated
  • MGASA-2022-0295advisory covering several CVEsMageia · LicenseRef-unstated
  • USN-7466-1advisory covering several CVEsUbuntu

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2022-02-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-5xw6-g598-2v26

Frequently asked questions

What is CVE-2022-23946?

A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon GCodeNumber parsing functionality of KiCad EDA 6.0.1 and master commit de006fc010. A specially-crafted gerber or excellon file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Is CVE-2022-23946 actively exploited?

A proof-of-concept exploit exists for CVE-2022-23946, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-23946?

CVE-2022-23946 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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