CVE-2026-63209

compress provides various compression algorithms. Prior to version 1.18.7, a signed integer overflow vulnerability in s2.NewDict allows an attacker to bypass repeat index validation by supplying a dictionary with a uvarint-encoded repeat value exceeding MaxInt64. When Dict.Encode is subsequently...

CVE-2026-63209 Integer Overflow or Wraparound and Out-of-bounds Write in compress

compress provides various compression algorithms. Prior to version 1.18.7, a signed integer overflow vulnerability in s2.NewDict allows an attacker to bypass repeat index validation by supplying a dictionary with a uvarint-encoded repeat value exceeding MaxInt64. When Dict.Encode is subsequently...

CVE-2026-63209

The compress library (prior to version 1.18.7 ) contains a signed integer overflow vulnerability in the s2.NewDict() function. An attacker can bypass repeat index validation by providing a dictionary with a uvarint-encoded repeat value exceeding MaxInt64 . When Dict.Encode() is subsequently execu...

EUVD-2026-88977

compress provides various compression algorithms. Prior to version 1.18.7, a signed integer overflow vulnerability in s2.NewDict allows an attacker to bypass repeat index validation by supplying a dictionary with a uvarint-encoded repeat value exceeding MaxInt64. When Dict.Encode is subsequently...