Out-of-bounds Read in Airlift Aircompressor

CVE-2025-67721

Aircompressor is a library with ports of the Snappy, LZO, LZ4, and Zstandard compression algorithms to Java. In versions 3.3 and below, incorrect handling of malformed data in Java-based decompressor implementations for Snappy and LZ4 allo…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (28.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-67721?
CVE-2025-67721 is a high-severity vulnerability in Airlift Aircompressor, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2025-12-12.
How severe is CVE-2025-67721?
High severity. CVSS v3 base score is 7.5 out of 10.