CVE-2022-38072: An improper array index validation vulnerability exists in the stl_fix_normal_directions functionality of ADMe

This week

MEDIUM 6.5REMOTEDOWNGRADEDOWNGRADE

CVE-2022-38072 is a medium-severity flaw (CVSS 6.5) affecting admesh, libslic3r. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An improper array index validation vulnerability exists in the stl_fix_normal_directions functionality of ADMesh Master Commit 767a105 and v0.98.4. A specially-crafted stl file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-118, CWE-129
Published	2023-04-03
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: admesh project · slic3r

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

Am I affected?

Timeline

2023-04-03 16:15 UTCPublished CVE record published
2026-06-17 04:56 UTCUpdated Record last modified

admesh project admesh DOWNGRADE

Affected: 0.98.4 · 2022-11-18

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.98.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.98.4 (Debian / Ubuntu)

apt-cache madison admesh sudo apt install admesh=<VERSION_BEFORE_0.98.4> sudo apt-mark hold admesh

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

dnf --showduplicates list admesh sudo dnf downgrade admesh-<VERSION_BEFORE_0.98.4> sudo dnf versionlock add admesh

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.

slic3r libslic3r DOWNGRADE

Affected: b1a5500

Fixed in: no fixed release known

Safe to downgrade to: a release before b1a5500

1. Check installed version

apt-cache policy libslic3r || rpm -q libslic3r || libslic3r --version

2. No fixed release: DOWNGRADE to a release before b1a5500 (Debian / Ubuntu)

apt-cache madison libslic3r sudo apt install libslic3r=<VERSION_BEFORE_b1a5500> sudo apt-mark hold libslic3r

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

dnf --showduplicates list libslic3r sudo dnf downgrade libslic3r-<VERSION_BEFORE_b1a5500> sudo dnf versionlock add libslic3r

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-2022-38072?

admesh: downgrade or apply the listed mitigation; libslic3r: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-38072 being exploited?

CVE-2022-38072 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-2022-38072 affect?

CVE-2022-38072 affects admesh, libslic3r. Severity is medium (CVSS 6.5). An improper array index validation vulnerability exists in the stl_fix_normal_directions functionality of ADMesh Master Commit 767a105 and v0.98.4. A specially-crafted stl file can lead to a heap buffer overflow. An attacker can provide a m

How urgent is CVE-2022-38072?

Priority 49/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-2653 MEDIUM 5.3 UPGRADE A security flaw has been discovered in admesh up to 0.98.5
CVE-2018-25033 HIGH 8.1 UPGRADE MITIGATE ADMesh through 0.98.4 has a heap-based buffer over-read in stl_update_connects_remove_1 (called from stl_remov

References

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