# Luben Zstd-Jni vulnerabilities

Source: https://junglewise.ai/threats/technologies/zstd-jni  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/zstd-jni.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in Luben Zstd-Jni: 0 in the last 7 days and 8 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-90852, was published on 15 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 8
- All time: 8 (0 critical, 0 exploited in the wild)

## About Luben Zstd-Jni

Java Native Interface binding for Zstandard compression library.

## Latest Luben Zstd-Jni vulnerabilities

- [CVE-2026-90852: luben zstd-jni use-after-free in Dictionary Sharing](https://junglewise.ai/threats/cve-2026-90852-luben-zstd-jni-use-after-free-in-dictionary-sharing) (high, CVSS 7.3, published 15 Sep 2026)
- [CVE-2026-90560: zstd-jni out-of-bounds read in ZstdDictDecompress constructor](https://junglewise.ai/threats/cve-2026-90560-zstd-jni-out-of-bounds-read-in-zstddictdecompress-constructor) (high, CVSS 8.2, published 12 Sep 2026)
- [CVE-2026-89045: zstd-jni input validation bypass in ZstdInputStreamNoFinalizer.read()](https://junglewise.ai/threats/cve-2026-89045-zstd-jni-input-validation-bypass-in-zstdinputstreamnofinalizer) (medium, CVSS 4, published 10 Sep 2026)
- [CVE-2026-87877: zstd-jni use-after-free in stream setter methods](https://junglewise.ai/threats/cve-2026-87877-zstd-jni-use-after-free-in-stream-setter-methods) (high, CVSS 7.7, published 9 Sep 2026)
- [CVE-2026-87825: zstd-jni use-after-free in dictionary reference handling](https://junglewise.ai/threats/cve-2026-87825-zstd-jni-use-after-free-in-dictionary-reference-handling) (high, CVSS 7.7, published 9 Sep 2026)
- [CVE-2026-87824: zstd-jni out-of-bounds buffer read in trainFromBufferDirect](https://junglewise.ai/threats/cve-2026-87824-zstd-jni-out-of-bounds-buffer-read-in-trainfrombufferdirect) (high, CVSS 7.5, published 9 Sep 2026)
- [CVE-2026-87823: zstd-jni signed integer overflow in DirectByteBuffer offset validation](https://junglewise.ai/threats/cve-2026-87823-zstd-jni-signed-integer-overflow-in-directbytebuffer-offset) (high, CVSS 8.2, published 9 Sep 2026)
- [CVE-2026-87795: zstd-jni out-of-bounds memory read in ZstdDictCompress constructor](https://junglewise.ai/threats/cve-2026-87795-zstd-jni-out-of-bounds-memory-read-in-zstddictcompress) (high, CVSS 8.2, published 9 Sep 2026)

## Most severe Luben Zstd-Jni vulnerabilities

- [CVE-2026-87823: zstd-jni signed integer overflow in DirectByteBuffer offset validation](https://junglewise.ai/threats/cve-2026-87823-zstd-jni-signed-integer-overflow-in-directbytebuffer-offset) (high, CVSS 8.2, published 9 Sep 2026)
- [CVE-2026-87795: zstd-jni out-of-bounds memory read in ZstdDictCompress constructor](https://junglewise.ai/threats/cve-2026-87795-zstd-jni-out-of-bounds-memory-read-in-zstddictcompress) (high, CVSS 8.2, published 9 Sep 2026)
- [CVE-2026-90560: zstd-jni out-of-bounds read in ZstdDictDecompress constructor](https://junglewise.ai/threats/cve-2026-90560-zstd-jni-out-of-bounds-read-in-zstddictdecompress-constructor) (high, CVSS 8.2, published 12 Sep 2026)
- [CVE-2026-87877: zstd-jni use-after-free in stream setter methods](https://junglewise.ai/threats/cve-2026-87877-zstd-jni-use-after-free-in-stream-setter-methods) (high, CVSS 7.7, published 9 Sep 2026)
- [CVE-2026-87825: zstd-jni use-after-free in dictionary reference handling](https://junglewise.ai/threats/cve-2026-87825-zstd-jni-use-after-free-in-dictionary-reference-handling) (high, CVSS 7.7, published 9 Sep 2026)
- [CVE-2026-87824: zstd-jni out-of-bounds buffer read in trainFromBufferDirect](https://junglewise.ai/threats/cve-2026-87824-zstd-jni-out-of-bounds-buffer-read-in-trainfrombufferdirect) (high, CVSS 7.5, published 9 Sep 2026)
- [CVE-2026-90852: luben zstd-jni use-after-free in Dictionary Sharing](https://junglewise.ai/threats/cve-2026-90852-luben-zstd-jni-use-after-free-in-dictionary-sharing) (high, CVSS 7.3, published 15 Sep 2026)
- [CVE-2026-89045: zstd-jni input validation bypass in ZstdInputStreamNoFinalizer.read()](https://junglewise.ai/threats/cve-2026-89045-zstd-jni-input-validation-bypass-in-zstdinputstreamnofinalizer) (medium, CVSS 4, published 10 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 7 | 0 | 0 |
| 14 Sep 2026 | 1 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Luben Zstd-Jni vulnerabilities", https://junglewise.ai/threats/technologies/zstd-jni, 9 November 2026.