CVE-2026-90852

A flaw was found in luben zstd-jni. This flaw involves a use-after-free vulnerability in the ZstdCompressCtx.loadDict function, which handles dictionary sharing. A remote attacker could exploit this by manipulating dictionary sharing operations, potentially leading to denial of service, information disclosure, or arbitrary code execution.

This is an Important remote use-after-free vulnerability in the zstd-jni library's dictionary sharing functionality. The flaw, affecting the ZstdCompressCtx.loadDict function, could allow an unauthenticated attacker to trigger a crash or potentially execute arbitrary code due to public exploit disclosure.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.