CVE-2026-66276

Summary

An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, leading to denial of service.

This issue affects Apache Qpid Proton-J: through 0.34.1.

Users are recommended to upgrade to version 0.35.0, which fixes the issue.

Affected Software

Weaknesses

• CWE-606: CWE-606 Unchecked Input for Loop Condition

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/08/04/12

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://lists.apache.org/thread/14nj0lpsqpnd3q0hw0t0tw44qvdo1jc2

• ←Previous
• Next→