Buffer overflow in Xerial Snappy-Java
CVE-2026-93452
snappy-java through 1.1.10.8 contains a buffer overflow vulnerability in Snappy.compress(ByteBuffer, ByteBuffer) that writes past the end of the destination buffer. Attackers can supply incompressible data that exceeds the destination buffer's remaining capacity, corrupting off-heap memory and causing JVM termination.
Vulnerability class: Buffer Overflow
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:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (issue-tracking)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-93452?
- CVE-2026-93452 is a high-severity vulnerability in Xerial Snappy-Java, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2026-09-18.
- How severe is CVE-2026-93452?
- High severity. CVSS v3 base score is 7.5 out of 10.