CVE-2024-13903Public exploitNetwork attack vector

Process crash via disabled recursion stack limit

Published Mar 21, 2025 · Updated Mar 21, 2025

Stack exhaustion in QuickJS-NG QuickJS 0.8 and earlier allows context-dependent attackers to crash ASan-enabled qjs via recursive JavaScript. update_stack_limit disables the runtime stack limit in ASan debug builds, so JS_CallInternal recursion consumes the native stack instead of raising RangeError. The qjs process must execute attacker-controlled JavaScript in an ASan-enabled debug build; the demonstrated consequence is process termination.

CVSS severity7.5
High
EPSS probability0.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack exhaustion in QuickJS-NG QuickJS 0.8 and earlier allows context-dependent attackers to crash ASan-enabled qjs via recursive JavaScript. update_stack_limit disables the runtime stack limit in ASan debug builds, so JS_CallInternal recursion consumes the native stack instead of raising RangeError. The qjs process must execute attacker-controlled JavaScript in an ASan-enabled debug build; the demonstrated consequence is process termination.

The record

CVE
CVE-2024-13903
Published
Mar 21, 2025
Updated
Mar 21, 2025
Vendor
QuickJS-NG
Product
QuickJS
Classifications
CWE-119, CWE-787, CWE-121, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0.1
  2. Affected versionversion=0.2
  3. Affected versionversion=0.3
  4. Affected versionversion=0.4
  5. Affected versionversion=0.5
  6. Affected versionversion=0.6
  7. Affected versionversion=0.7
  8. Affected versionversion=0.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

QuickJS-NG · QuickJSversion=0.1; version=0.2; version=0.3; version=0.4; version=0.5; version=0.6; version=0.7; version=0.8

Published CVSS scores

5.0VulDBAV:N/AC:L/Au:N/C:N/I:N/A:P
5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
7.5NVDCVSS: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 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-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787Out-of-bounds Write
CWE-121Stack-based Buffer Overflow
T1499Endpoint Denial of Service

Public exploit references

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

Technologies

Your stack

See the directory against your own environment.

Your stack

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