CVE-2026-109395
CRITICAL NVDCVSS Score
9.1
Severity
CRITICAL
Source
NVD
Published
Oct 20, 2026
Description
Ning compress-lzf before 1.2.0 contains an out-of-bounds memory access vulnerability in the sun.misc.Unsafe based UnsafeChunkDecoder that fails to validate back-references and literal runs. Attackers can supply crafted LZF streams to applications using the default LZFDecoder to leak unrelated JVM heap memory into decompressed output or crash the JVM.