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  5. GHSA-6g7g-w4f8-9c9x

GHSA-6g7g-w4f8-9c9x: Denial of service in github.com/buger/jsonparser

March 18, 2026 (updated March 19, 2026)

The Delete function fails to properly validate offsets when processing malformed JSON input. This can lead to a negative slice index and a runtime panic, allowing a denial of service attack.

References

  • cyber.securityinfinity.com/buger-jsonparser-negative-slice-panic-dos-2026
  • github.com/advisories/GHSA-6g7g-w4f8-9c9x
  • github.com/buger/jsonparser
  • github.com/buger/jsonparser/commit/a69e7e01cd4ad67bdfd3ac2c080b9212af16f4b0
  • github.com/buger/jsonparser/issues/275
  • github.com/buger/jsonparser/pull/276
  • github.com/buger/jsonparser/releases/tag/v1.1.2
  • github.com/golang/vulndb/issues/4514

Code Behaviors & Features

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Affected versions

All versions before 1.1.2

Fixed versions

  • 1.1.2

Solution

Upgrade to version 1.1.2 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-125: Out-of-bounds Read

Source file

go/github.com/buger/jsonparser/GHSA-6g7g-w4f8-9c9x.yml

Spotted a mistake? Edit the file on GitLab.

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