What is CVE-2025-4638?

CVE-2025-4638 is a critical-severity vulnerability in Pointcloudlibrary Pcl, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-05-14.

How severe is CVE-2025-4638?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Pointcloudlibrary Pcl

CVE-2025-4638

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 arithm…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Pointcloudlibrary Pcl — versions 0
Pointclouds Point_cloud_library

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve_disclosure@tech.gov.sg (Patch, patch, Issue Tracking)
cve_disclosure@tech.gov.sg (Product)
cve_disclosure@tech.gov.sg (Patch)

Frequently asked questions

What is CVE-2025-4638?: CVE-2025-4638 is a critical-severity vulnerability in Pointcloudlibrary Pcl, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-05-14.
How severe is CVE-2025-4638?: Critical severity. CVSS v3 base score is 9.8 out of 10.