Vuln Signal Radar
public-safe defensive signal
HIGHpublic-safe

CVE-2026-93564

NVD: A flaw was found in Netty. NVD: A reference-count leak in the HAProxy PROXY-v2 message decoder allows a remote, unauthenticated attacker to send specially crafted PROXY-protocol v2 headers. NVD: This can lead to memory exhaustion, resulting in a Denial of Service (DoS) for the affected system.

CVSS
7.5
Severity
HIGH
EPSS
0.0079 (54)
KEV
-

Source-published summary

NVD: A flaw was found in Netty. NVD: A reference-count leak in the HAProxy PROXY-v2 message decoder allows a remote, unauthenticated attacker to send specially crafted PROXY-protocol v2 headers. NVD: This can lead to memory exhaustion, resulting in a Denial of Service (DoS) for the affected system.

Possible impact

Source describes service availability risk · remote exposure · authenticated boundary. Possible impact: The affected service may become unavailable or unreliable.

Affected context

Affected product or version requires source confirmation.

Remediation / advisory

Remediation reference present; patch status requires confirmation in the linked advisory.

Why it matters

Source describes service availability risk · remote exposure · authenticated boundary. Possible impact: The affected service may become unavailable or unreliable.; CVSS 7.5 (HIGH); EPSS percentile 54; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

remote exposure

Impact tags

service availability reviewremote exposure relevantauthenticated boundary review

Urgency reasons

CVSS HIGHvendor advisory presentrecent updateremediation reference present

Source-derived note

Summary derived from NVD description; unsafe procedural detail is not shown.

Redaction metadata

source summary used
True
fallback summary used
False
unsafe procedural detail present
false
raw source displayed
false
public summary redacted
true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.

Official references