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Out-of-bounds Read

CVE-2026-28815

High
7.5/10

Summary

A remote attacker can supply a short X-Wing HPKE encapsulated key and trigger an Out-of-Bounds Read in the C decapsulation path, potentially causing a crash or memory disclosure depending on runtime protections. All swift-crypto versions from 4.0.0 prior to 4.3.1 are affected.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-125 - Out-of-Bounds Read

Out-of-bounds read is a vulnerability that allows access to memory beyond the authorized accessible location. Such a vulnerability compromises the confidentiality of the trusted environment in the application and enables an attacker to launch further attacks by leveraging the exposed information.

References

Advisory Timeline

  • Published