AEGLIX vulnerability intelligence
CVE-2026-109395
HIGH · CVSS 8.8 · Awaiting Analysis
Published: 2026-10-20 · Updated: 2026-10-20 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 8.8 · HIGH
- CVSS version
- 4.0
- CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Weaknesses
- CWE-125
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Not listed in the CISA catalog retrieved for this record. This does not establish that exploitation has not occurred.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
NVD has not supplied affected-version configurations for this record. Check the vendor references below.
Advisories and references
- https://github.com/github/securitylab/discussions/970
- https://github.com/ning/compress
- 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/ning/compress/commit/06bdc3744a96b736a7118891f403e44c664f108b
- https://github.com/ning/compress/pull/68
- https://www.vulncheck.com/advisories/ning-compress-lzf-before-1.2.0-out-of-bounds-memory-access-via-unsafechunkdecoder