CVE-2025-4638: A vulnerability exists in the inftrees.c component of the zlib library, which is bundled within the PointCloud

Q: How do I fix CVE-2025-4638?

point cloud library: upgrade to 1.14.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-4638 being exploited?

CVE-2025-4638 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-4638 affect?

CVE-2025-4638 affects point cloud library. Severity is critical (CVSS 9.8). A vulnerability exists in the inftrees.c component of the zlib library, which is bundled within the PointCloudLibrary (PCL). This issue may allow context-dependent attackers to cause undefined behavior by exploiting improper pointer arithme

Q: How urgent is CVE-2025-4638?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-4638 is a critical-severity flaw (CVSS 9.8) affecting point cloud library. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability exists in the inftrees.c component of the zlib library, which is bundled within the PointCloudLibrary (PCL). This issue may allow context-dependent attackers to cause undefined behavior by exploiting improper pointer arithmetic. Since version 1.14.0, PCL by default uses a zlib installation from the system, unless the user sets WITH_SYSTEM_ZLIB=FALSE. So this potential vulnerability is only relevant if the PCL version is older tha

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-119
Published	2025-05-14
Last modified	2026-06-17

Publisher (CNA): Government Technology Agency of Singapore Cyber Security Group (GovTech CSG) · Vendor: pointclouds

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

Am I affected?

Timeline

2025-05-14 18:15 UTCPublished CVE record published
2026-06-17 09:33 UTCUpdated Record last modified

pointclouds point cloud library UPGRADE

Affected: < 1.14.0

Fixed in: 1.14.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy point-cloud-library || rpm -q point-cloud-library || point-cloud-library --version

2. UPGRADE to 1.14.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade point-cloud-library

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade point-cloud-library

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-4638?

point cloud library: upgrade to 1.14.0. Exact commands for each OS are on this page.

Is CVE-2025-4638 being exploited?

CVE-2025-4638 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-2025-4638 affect?

CVE-2025-4638 affects point cloud library. Severity is critical (CVSS 9.8). A vulnerability exists in the inftrees.c component of the zlib library, which is bundled within the PointCloudLibrary (PCL). This issue may allow context-dependent attackers to cause undefined behavior by exploiting improper pointer arithme

How urgent is CVE-2025-4638?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

zlib vulnerabilities

References

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