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Advisories

Xerial snappy-java before 1.1.10.9 Unbounded Memory Allocation Denial of Service

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severity
high
date
Affecting

  • snappy-java >= 0, < 1.1.10.9

CWE
  • CWE-789 Memory Allocation with Excessive Size Value
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Yu Bao, PayPal Cyber Security Team, 1seal, EndlssNightmare, taer, apvxlab, trnguyencflt
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.

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