CVE-2026-66257
7.5 HIGHPublished 2026-08-05 · Updated 2026-08-07
AI risk analysis
- Summary
- The flaw allows a pre-authentication attacker to cause resource exhaustion by leveraging unbounded symbol value caching, leading to potential denial of service.
- Exploitability
- Exploitation requires access to the affected version and could be moderately difficult due to the need for precise timing and input manipulation.
- Blast radius
- If exploited, this could result in significant service disruption affecting users relying on Apache Qpid Proton-J.
- Prioritized remediation
- Upgrade to Apache Qpid Proton-J version 0.35.0 immediately to mitigate the risk.
doscache-exploitapache-qpid
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-770
Vendors
apache
Products
qpid proton-j
References
- https://lists.apache.org/thread/dnczt6bgfcq2x6q8ljco177h1qmv59fm Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/08/04/8 Mailing List, Third Party Advisory
Data: NVD (public domain). Analysis: local $0 model. Defensive use only.