CVE-2026-87877: fallo de gravedad alta en luben zstd-jni
zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters Called After close()
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7epss 0.2%
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:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Productos afectados
luben · zstd-jniCVEs relacionadas — luben zstd-jni
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-89046HIGHzstd-jni 1.5.5-6 through 1.5.7-13 Out-of-Bounds Read via Negative OffsetEPSS 0.7%CVE-2026-87795HIGHzstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictCompressEPSS 0.6%CVE-2026-90560HIGHzstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictDecompressEPSS 0.6%CVE-2026-90852MEDIUMluben zstd-jni Dictionary Sharing ZstdCompressCtx.java ZstdCompressCtx.loadDict use after freeEPSS 0.5%CVE-2026-87823HIGHzstd-jni 1.1.1 through 1.5.7-13 Out-of-Bounds Read via Direct ByteBuffer Frame-Size MethodsEPSS 0.4%CVE-2026-87824HIGHzstd-jni 1.3.3-1 through 1.5.7-13 Out-of-Bounds Read via Zstd.trainFromBufferDirectEPSS 0.4%
Referencias
https://github.com/luben/zstd-jnihttps://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/BaseZstdBufferDecompressingStreamNoFinalizer.javahttps://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/ZstdInputStreamNoFinalizer.javahttps://github.com/luben/zstd-jni/commit/0827ed02551bbd8d6f8e4bbff99d83bf50f91938https://github.com/luben/zstd-jni/commit/393d7311766abbc285b149302c0fe1f94b16d555https://github.com/luben/zstd-jni/commit/f38f9a1563113d96d0fc38baee543f7457dd8a8ehttps://github.com/luben/zstd-jni/releases/tag/v1.5.7-14https://github.com/luben/zstd-jni/security/advisories/GHSA-2jw3-mg7f-vw4qhttps://www.vulncheck.com/advisories/zstd-jni-1.3.8-4-through-1.5.7-13-use-after-free-via-setters-called-after-close