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.
Published: 2026-10-20
Score: 8.8 High
EPSS: n/a
KEV: No
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History

Tue, 20 Oct 2026 01:15:00 +0000

Type Values Removed Values Added
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.
Title Ning compress-lzf before 1.2.0 Out-of-Bounds Memory Access via UnsafeChunkDecoder
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H'}

cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T00:46:04.633Z

Reserved: 2026-10-12T14:40:43.306Z

Link: CVE-2026-109395

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T01:17:09.957

Modified: 2026-10-20T01:17:09.957

Link: CVE-2026-109395

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses