Medium severity4.0OSV Advisory· Published Sep 10, 2026· Updated Sep 15, 2026
CVE-2026-89045
CVE-2026-89045
Description
zstd-jni versions 1.4.8-4 through 1.5.7-13 fail to validate negative length parameters in ZstdInputStreamNoFinalizer.read(), allowing attackers to trigger infinite loops. Attackers can pass negative length values to cause the read method to spin indefinitely while holding the stream monitor, blocking all other threads from accessing the stream.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/ZstdInputStreamNoFinalizer.javanvd
- github.com/luben/zstd-jni/commit/dd08685ef913a32e76fb27f43470035c06758646nvd
- github.com/luben/zstd-jni/releases/tag/v1.5.7-14nvd
- github.com/luben/zstd-jni/security/advisories/GHSA-9jx2-gfp9-phfmnvd
- www.vulncheck.com/advisories/zstd-jni-1.4.8-4-through-1.5.7-13-denial-of-service-via-negative-lengthnvd
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