CVE Watch27 de out. de 2026

CVE-2026-116591

compress provides various compression algorithms. Prior to 1.20.2, the zstd DecodeAll and streaming decoder paths can panic when a crafted t

CVSS

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Sem CVSS

EPSS

0.3%

p27

KEV

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Exploit Today

0-100

Publicado: 26 de out. de 2026 · Última mod.: 27 de out. de 2026 · CWE-190

EPSS · 30d

0.3%EPSS · 30 dias0.3%

2026-10-272026-11-07

Descrição técnica

compress provides various compression algorithms. Prior to 1.20.2, the zstd DecodeAll and streaming decoder paths can panic when a crafted two-block frame reaches huff0.ReadTable with an FSE normalized count of 32768 that readNCount stores in int16 as -32768. The wrapped count allows buildDtable to retain stale fse.Scratch decode-table state from the prior block, and nextFast then derives an out-of-range state and indexes beyond the table instead of returning a decode error. Both blocks are required to preserve and then reuse the stale state, allowing untrusted zstd input to crash an application. This issue is fixed in version 1.20.2.

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