{"id":"CVE-2026-108106","published":"2026-10-09T15:17:11.550","lastModified":"2026-10-13T17:17:19.130","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.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-789"],"vendors":[],"products":[],"references":[{"url":"https://github.com/xerial/snappy-java","tags":[]},{"url":"https://github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Snappy.java#L517","tags":[]},{"url":"https://github.com/xerial/snappy-java/commit/943c6043a292568575e8347af4507d015e802c75","tags":[]},{"url":"https://github.com/xerial/snappy-java/releases/tag/v1.1.10.9","tags":[]},{"url":"https://github.com/xerial/snappy-java/security/advisories/GHSA-q233-g92q-qxp6","tags":[]},{"url":"https://www.vulncheck.com/advisories/xerial-snappy-java-before-1.1.10.9-unbounded-memory-allocation-denial-of-service","tags":[]}],"exploitRefs":[{"url":"https://github.com/xerial/snappy-java","tags":[]},{"url":"https://github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Snappy.java#L517","tags":[]},{"url":"https://github.com/xerial/snappy-java/commit/943c6043a292568575e8347af4507d015e802c75","tags":[]},{"url":"https://github.com/xerial/snappy-java/releases/tag/v1.1.10.9","tags":[]},{"url":"https://github.com/xerial/snappy-java/security/advisories/GHSA-q233-g92q-qxp6","tags":[]}],"hasPoc":true,"ai":{"summary":"The vulnerability allows attackers to cause unbounded memory allocation in snappy-java by crafting compressed data with large uncompressed lengths, leading to OutOfMemoryError and denial of service. This affects applications using Snappy compression libraries.","exploitability":"Exploitation is relatively straightforward as it requires only a few crafted bytes to trigger the vulnerability through Snappy.uncompress, uncompressString, SnappyInputStream or SnappyFramedInputStream functions.","blast_radius":"The impact could be significant across applications that use snappy-java for decompressing data, potentially causing widespread service disruption if exploited in high-volume systems.","remediation":"Upgrade to snappy-java 1.1.10.9 or later to address the unbounded memory allocation vulnerability.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["memory-corruption","denial-of-service","java"],"model":"garnet-coder","analyzedAt":"2026-10-17T09:01:48.297Z"}}