CVE-2024-38951: A buffer overflow in PX4-Autopilot v1.12.3 allows attackers to cause a Denial of Service (DoS) via a crafted M

Routine

MEDIUM 6.5DOWNGRADE

CVE-2024-38951 is a medium-severity flaw (CVSS 6.5) affecting px4 drone autopilot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A buffer overflow in PX4-Autopilot v1.12.3 allows attackers to cause a Denial of Service (DoS) via a crafted MavLink message.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-120
Published	2024-06-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dronecode

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

Am I affected?

Timeline

2024-06-25 14:15 UTCPublished CVE record published
2026-06-17 07:41 UTCUpdated Record last modified

dronecode px4 drone autopilot DOWNGRADE

Affected: 1.12.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.12.3

1. Check installed version

apt-cache policy px4-drone-autopilot || rpm -q px4-drone-autopilot || px4-drone-autopilot --version

2. No fixed release: DOWNGRADE to a release before 1.12.3 (Debian / Ubuntu)

apt-cache madison px4-drone-autopilot sudo apt install px4-drone-autopilot=<VERSION_BEFORE_1.12.3> sudo apt-mark hold px4-drone-autopilot

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

dnf --showduplicates list px4-drone-autopilot sudo dnf downgrade px4-drone-autopilot-<VERSION_BEFORE_1.12.3> sudo dnf versionlock add px4-drone-autopilot

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.

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-2024-38951?

px4 drone autopilot: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-38951 being exploited?

CVE-2024-38951 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-2024-38951 affect?

CVE-2024-38951 affects px4 drone autopilot. Severity is medium (CVSS 6.5). A buffer overflow in PX4-Autopilot v1.12.3 allows attackers to cause a Denial of Service (DoS) via a crafted MavLink message.

How urgent is CVE-2024-38951?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2025-15150 MEDIUM 5.3 UPGRADE A vulnerability was found in PX4 PX4-Autopilot up to 1.16.0
CVE-2026-32743 MEDIUM 6.5 UPGRADE PX4 is an open-source autopilot stack for drones and unmanned vehicles
CVE-2026-32724 MEDIUM 5.3 UPGRADE PX4 autopilot is a flight control solution for drones
CVE-2026-32713 MEDIUM 4.3 UPGRADE PX4 autopilot is a flight control solution for drones
CVE-2026-32709 MEDIUM 5.4 UPGRADE PX4 autopilot is a flight control solution for drones

References

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