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MediumFix available

lz4-java security update

Type: advisorySource: OSV1 source record

LZ4 compression for Java, based on Yann Collet's work. This library provides access to two compression methods that both generate a valid LZ4 stream: * fast scan (LZ4): ° low memory footprint (~ 16 KB), ° very fast (fast scan with skipping heuristics in case the input looks incompressible), ° reasonable compression ratio (depending on the redundancy of the input). * high compression (LZ4 HC): ° medium memory footprint (~ 256 KB), ° rather slow (~ 10 times slower than LZ4), ° good compression ratio (depending on the size and the redundancy of the input). The streams produced by those 2 compression algorithms use the same compression format, are very fast to decompress and can be decompressed by the same decompressor instance. Security Fix(es): yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object and the off and len arguments in XXHashFactory.nativeInstance().hash32().hash(), XXHashFactory.nativeInstance().hash64().hash(), XXHashFactory.nativeInstance().newStreamingHash32().update(), and XXHashFactory.nativeInstance().newStreamingHash64().update(), allowing null arrays or oversized ranges to reach native code, read outside the Java array, and fatally terminate the JVM. This issue is fixed in version 1.11.1.(CVE-2026-59949)

Announced Group revision 1
Original source ↗

OESA-2026-4079

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:OESA-2026-4079

lz4-java

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
1.8.0-3.oe2403sp4

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.8.0-3.oe2403sp4"
          }
        ]
      }
    ],
    "package": {
      "name": "lz4-java",
      "purl": "pkg:rpm/openEuler/lz4-java&distro=openEuler-24.03-LTS-SP4",
      "ecosystem": "openEuler:24.03-LTS-SP4"
    },
    "database_specific": {
      "source": "https://repo.openeuler.org/security/data/osv/OESA-2026-4079.json"
    },
    "ecosystem_specific": {
      "src": [
        "lz4-java-1.8.0-3.oe2403sp4.src.rpm"
      ],
      "noarch": [
        "lz4-java-javadoc-1.8.0-3.oe2403sp4.noarch.rpm"
      ],
      "x86_64": [
        "lz4-java-1.8.0-3.oe2403sp4.x86_64.rpm"
      ],
      "aarch64": [
        "lz4-java-1.8.0-3.oe2403sp4.aarch64.rpm"
      ]
    }
  }
]

Publisher severity

medium

Source reference: /database_specific/severity

Event
#14741 · Revision 1
Added to Heist Feed
Publisher date
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