CVE-2026-108106 Xerial snappy-java before 1.1.10.9 Unbounded Memory Allocation Denial of Service
Attackers can cause denial of service in applications using snappy-java by triggering unbounded memory allocation through crafted compressed input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-108106?
CVE-2026-108106 is a high-severity denial of service vulnerability in xerial snappy-java, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-789
Which versions are affected by CVE-2026-108106?
2 open source packages ship an affected version, including org.xerial.snappy:snappy-java.
| Package | Affected | Fixed in |
|---|---|---|
org.xerial.snappy:snappy-java Maven | All versions | 1.1.10.9 |
org.xerial.snappy:snappy-java Maven | All versions | 1.1.10.9 |
How do I fix CVE-2026-108106?
Upgrade org.xerial.snappy:snappy-java to 1.1.10.9 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-108106 being exploited?
There is no known exploitation of CVE-2026-108106 in the wild and no public exploit code.
Sources
Also known as CLEANSTART-2026-BS90242, DEBIAN-CVE-2026-108106, ECHO-0bfa-518c-ee16, GHSA-q233-g92q-qxp6, UBUNTU-CVE-2026-108106.