CVE-2026-116591

The compress library (prior to version 1.20.2 ) is vulnerable to a denial-of-service condition where the zstd DecodeAll and streaming decoder paths can panic . The root cause is an integer overflow where a crafted two-block frame provides an FSE normalized count of 32768, which readNCount stores ...

CVE-2026-116591 compress zstd: Panic on two-block frames

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 ...