CVE-2026-33818 PUBLISHED

Enforce maximum recursion depth in encoding/asn1

Assigner: Go
Reserved: 23.03.2026 Published: 13.08.2026 Updated: 14.08.2026

Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures.

Product Status

Vendor Go standard library
Product encoding/asn1
Versions Default: unaffected
  • affected from 0 to 1.25.13 (excl.)
  • affected from 1.26.0-0 to 1.26.6 (excl.)
  • affected from 1.27.0-0 to 1.27.0-rc.3 (excl.)

Credits

  • Marwan Atia (marwansamir688@gmail.com)

References

Problem Types

  • CWE-400: Uncontrolled Resource Consumption