CVE-2026-87877
Dashboard / Vulnerabilities / CVE-2026-87877
Summary: zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters Called After close()
Details: 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.
References: https://repo1.maven.org/maven2/com/github/luben/zstd-jni/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/87xxx/CVE-2026-87877.json, https://github.com/luben/zstd-jni/releases/tag/v1.5.7-14, https://github.com/luben/zstd-jni/security/advisories/GHSA-2jw3-mg7f-vw4q, https://nvd.nist.gov/vuln/detail/CVE-2026-87877, https://www.vulncheck.com/advisories/zstd-jni-1.3.8-4-through-1.5.7-13-use-after-free-via-setters-called-after-close, https://github.com/luben/zstd-jni/commit/0827ed02551bbd8d6f8e4bbff99d83bf50f91938, https://github.com/luben/zstd-jni/commit/393d7311766abbc285b149302c0fe1f94b16d555, https://github.com/luben/zstd-jni/commit/f38f9a1563113d96d0fc38baee543f7457dd8a8e, https://github.com/luben/zstd-jni, https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/BaseZstdBufferDecompressingStreamNoFinalizer.java, https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/ZstdInputStreamNoFinalizer.java
Affected packages
Package
Name:
Purl:
Affected ranges
Type: GIT
Events:
