high7.5
CVE-2026-66257
A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Qpid Proton-J | before 0.35.0 |