CVE-2026-109395
Published:October 20, 2026
Updated:October 20, 2026
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.
Affected Packages
https://github.com/ning/compress.git (GITHUB):
Affected version(s) >=compress-lzf-1.0.0 <compress-lzf-1.2.0Fix Suggestion:
Update to version compress-lzf-1.2.0com.ning:compress-lzf (JAVA):
Affected version(s) >=1.0.0 <1.2.0Fix Suggestion:
Update to version 1.2.0Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read