CVE-2026-87877zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters Called After close()
Updated under an hour ago ()
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It affects luben zstd-jni. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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zstd-jni versions before 1.5.7-14 fail to validate closed state in setDict, setLongMax, setLevel and setRefMultipleDDicts methods of stream classes. Attackers can call these methods on closed streams to write through freed native pointers, corrupting unrelated objects or crashing the JVM.
- CVSS
- 7.7 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
luben zstd-jni luben:zstd_jni (from the name) | from 1.3.8-4 before 1.5.7-14 | CNA record |
References
- https://github.com/luben/zstd-jni/security/advisories/GHSA-2jw3-mg7f-vw4qvendor-advisory
- https://github.com/luben/zstd-jni/commit/f38f9a1563113d96d0fc38baee543f7457dd8a8epatch
- https://github.com/luben/zstd-jni/commit/393d7311766abbc285b149302c0fe1f94b16d555patch
- https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/BaseZstdBufferDecompressingStreamNoFinalizer.javatechnical-description
- https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/ZstdInputStreamNoFinalizer.javatechnical-description
- https://github.com/luben/zstd-jni/releases/tag/v1.5.7-14release-notes
- https://github.com/luben/zstd-jni/commit/0827ed02551bbd8d6f8e4bbff99d83bf50f91938technical-description, patch
- https://github.com/luben/zstd-jniproduct
- https://www.vulncheck.com/advisories/zstd-jni-1.3.8-4-through-1.5.7-13-use-after-free-via-setters-called-after-closethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.