Integer Overflow or Wraparound Affecting github.com/klauspost/compress/huff0 package, versions <1.20.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published27 Oct 2026
- disclosed27 Oct 2026
- creditUnknown
Introduced: 27 Oct 2026
NewCVE-2026-116591 (opens in a new tab)How to fix?
Upgrade github.com/klauspost/compress/huff0 to version 1.20.2 or higher.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the DecodeAll and streaming decoder process. An attacker can cause an application to crash by providing specially crafted zstd input that triggers a panic when processing two-block frames.