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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (52.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/xerial/snappy-java/issues/732 (issue-tracking)
- github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Sn… (technical-description)
- github.com/xerial/snappy-java (product)
- www.vulncheck.com/advisories/snappy-java-through-1.1.10.8-buffer-overflow-in-sn… (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.