CVE-2026-87824
zstd-jni before 1.5.7-14 fails to validate the samples buffer capacity in Zstd.trainFromBufferDirect, allowing attackers to read past buffer boundaries by supplying oversized per-sample lengths. Attackers can trigger out-of-bounds memory access by providing crafted sample length arrays that cause the native implementation to walk past the buffer allocation, resulting in JVM termination.
Debolezza
zstd-jni before 1.5.7-14 fails to validate the samples buffer capacity in Zstd.trainFromBufferDirect, allowing attackers to read past buffer boundaries by supplying oversized per-sample lengths. Attackers can trigger out-of-bounds memory access by providing crafted sample length arrays that cause the native implementation to walk past the buffer allocation, resulting in JVM termination.
Riferimenti
- https://github.com/luben/zstd-jni
- https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/Zstd.java
- https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/native/jni_zdict.c
- https://github.com/luben/zstd-jni/commit/53d3c6342883f7d6717b2477a7f9c1b4a4a56980
- https://github.com/luben/zstd-jni/commit/bba6cfca2c0897f1fa004f4193247479f10da853
- https://github.com/luben/zstd-jni/releases/tag/v1.5.7-14
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