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CVE-2026-66257General(apache / qpid_proton-j)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

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.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-770

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • qpid_proton-j

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
apache
Products
qpid_proton-j

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-05: 1Technical Details · 2026-08-05: 108-05
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-66257 Denial of Service via Unbounded Symbol Caching in Apache Qpid Proton-J 0.34.1 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-66257

    Post summary

    The brief text references a CVE with a minimal vulnerability description and a link for more details, but provides no PoC, exploit, active exploitation claims, or patch information.

    00000104
    4.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appapacheqpid_proton-j---

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