CVE-2024-22189Network attack vector

Remote memory exhaustion via unbounded control-frame queue

Published Apr 4, 2024 · Updated Aug 23, 2024

Resource exhaustion in quic-go before 0.42.0 allows remote attackers to exhaust peer memory through crafted QUIC frames. The connection-ID handler queues a RETIRE_CONNECTION_ID response for each attacker-supplied NEW_CONNECTION_ID retirement without bounding the control-frame queue. A peer must sustain a QUIC connection, selectively acknowledge packets, and manipulate RTT estimates to suppress responses until memory is exhausted.

CVSS severity7.5
High
EPSS probability1.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in quic-go before 0.42.0 allows remote attackers to exhaust peer memory through crafted QUIC frames. The connection-ID handler queues a RETIRE_CONNECTION_ID response for each attacker-supplied NEW_CONNECTION_ID retirement without bounding the control-frame queue. A peer must sustain a QUIC connection, selectively acknowledge packets, and manipulate RTT estimates to suppress responses until memory is exhausted.

The record

CVE
CVE-2024-22189
Published
Apr 4, 2024
Updated
Aug 23, 2024
Vendor
quic-go
Product
quic-go
Classifications
CWE-770, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <0.42.0
  2. Affected versionversion=< 0.42.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

quic-go · quic-goversion=0 <0.42.0; version=< 0.42.0

Published CVSS scores

7.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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