CVE-2026-90559
High
Description
snappy-java through 1.1.10.8 contains an out-of-bounds write vulnerability in Snappy.uncompress(ByteBuffer, ByteBuffer) because destination buffer capacity is never validated against decompressed size. Attackers can supply valid compressed data that decompresses larger than the destination buffer, causing writes past buffer boundaries and JVM termination.
SeverityHigh
CVSS7.5
Exploit probability—
ProductXerial Snappy-java
PublishedSep 12, 2026
First seenSep 12, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xerial snappy-java | v ≤ 1.1.10.8 | — |
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