CVE-2022-23803: A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon ReadXYCoord coordi

This month

HIGH 7.8WATCHLISTDOWNGRADEMITIGATEMITIGATE

CVE-2022-23803 is a high-severity flaw (CVSS 7.8) affecting eda, fedora, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon ReadXYCoord coordinate 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.

Why this priority

High severity
Public exploit reference
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-121, CWE-787
Published	2022-02-16
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: debian · fedoraproject · kicad

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-02-16 17:15 UTCPublished CVE record published
2026-06-17 04:30 UTCUpdated Record last modified

kicad eda DOWNGRADE

Affected: 6.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0.1

1. Check installed version

apt-cache policy eda || rpm -q eda || eda --version

2. No fixed release: DOWNGRADE to a release before 6.0.1 (Debian / Ubuntu)

apt-cache madison eda sudo apt install eda=<VERSION_BEFORE_6.0.1> sudo apt-mark hold eda

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list eda sudo dnf downgrade eda-<VERSION_BEFORE_6.0.1> sudo dnf versionlock add eda

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

fedoraproject fedora MITIGATE

Affected: 35

Fixed in: no fixed release known

Safe to downgrade to: a release before 35

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

debian debian linux MITIGATE

Affected: 9.0 · 10.0 · 11.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-23803?

eda: downgrade or apply the listed mitigation; fedora: mitigate or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-23803 being exploited?

CVE-2022-23803 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-23803 affect?

CVE-2022-23803 affects eda, fedora, debian linux. Severity is high (CVSS 7.8). A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon ReadXYCoord coordinate parsing functionality of KiCad EDA 6.0.1 and master commit de006fc010. A specially-crafted gerber or excellon file can lead t

How urgent is CVE-2022-23803?

Priority 56/100. High severity; Public exploit reference; On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

CVE-2022-23804 HIGH 7.8 DOWNGRADE MITIGATE A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon ReadIJCoord coordi

References

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