{"id":"CVE-2026-109395","revision":"7d9262abe5ec4c11b8fe1ffcdc2a340f","records":[{"revision":"7d9262abe5ec4c11b8fe1ffcdc2a340f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109395","aliases":[],"title":"Ning compress-lzf before 1.2.0 Out-of-Bounds Memory Access via UnsafeChunkDecoder","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.","state":0,"publishedAt":"2026-10-20T00:46:04.633+00:00","modifiedAt":"2026-10-20T14:29:50.505+00:00","affected":[{"ecosystem":"Vendor product","name":"compress-lzf","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"ning\",\n                    \"product\": \"compress-lzf\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"1.2.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:maven/com.ning/compress-lzf\",\n                    \"repo\": \"https://github.com/ning/compress\"\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":8.8,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":9.1,"severity":"CRITICAL"}],"references":["https://github.com/ning/compress/pull/68","https://github.com/ning/compress/commit/06bdc3744a96b736a7118891f403e44c664f108b","https://github.com/ning/compress/blob/compress-lzf-1.1.3/src/main/java/com/ning/compress/lzf/impl/UnsafeChunkDecoder.java#L104","https://github.com/github/securitylab/discussions/970","https://github.com/ning/compress","https://www.vulncheck.com/advisories/ning-compress-lzf-before-1.2.0-out-of-bounds-memory-access-via-unsafechunkdecoder"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109395","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109395","identifiers":["CVE-2026-109395"]},"retained":false,"historicalAffected":[]}],"coverage":[]}