CVE-2026-108106

Xerial snappy-java before 1.1.10.9 contains an unbounded memory allocation vulnerability that allows attackers to exhaust JVM memory by declaring a large uncompressed length in compressed input. Attackers can supply a few crafted bytes to Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream to force allocations up to 2 GB, causing OutOfMemoryError and denial of service.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-25)

CWE

CWE-789

Published

2026-10-09

Modified

2026-10-13

Record from

the NVD, synced 2026-10-19

References

• https://github.com/xerial/snappy-java
• https://github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Snappy.java#L517
• https://github.com/xerial/snappy-java/commit/943c6043a292568575e8347af4507d015e802c75
• https://github.com/xerial/snappy-java/releases/tag/v1.1.10.9
• https://github.com/xerial/snappy-java/security/advisories/GHSA-q233-g92q-qxp6

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