CVE-2024-36760Public exploitNetwork attack vector

Host-process crash via uncounted recursive closure calls

Published Jun 13, 2024 · Updated Aug 2, 2024

Stack overflow in Rhai 1.18.0 allows remote attackers to crash an embedding application via a recursively invoked closure method. Engine method-call paths invoke call_script_fn without incrementing the global recursion level, bypassing the configured depth limit. An application must evaluate attacker-controlled Rhai code that recursively calls a closure method; native stack exhaustion then terminates the host process.

CVSS severity8.7
High
EPSS probability0.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in Rhai 1.18.0 allows remote attackers to crash an embedding application via a recursively invoked closure method. Engine method-call paths invoke call_script_fn without incrementing the global recursion level, bypassing the configured depth limit. An application must evaluate attacker-controlled Rhai code that recursively calls a closure method; native stack exhaustion then terminates the host process.

The record

CVE
CVE-2024-36760
Published
Jun 13, 2024
Updated
Aug 2, 2024
Vendor
Rhai
Product
Rhai
Classifications
CWE-120, CWE-674, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=1.18.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Rhai · Rhaiversion=1.18.0

Published CVSS scores

7.5CISA ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7GitHubCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-674Uncontrolled Recursion
T1499.004Application or System Exploitation

Public exploit references

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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