What’s Vulnerable › Vulnerabilities

CVE-2024-39249

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-01 · updated 2026-06-17
• Weakness: CWE-1333

Description

Async <= 2.6.4 and <= 3.2.5 are vulnerable to ReDoS (Regular Expression Denial of Service) while parsing function in autoinject function. NOTE: this is disputed by the supplier because there is no realistic threat model: regular expressions are not used with untrusted input.

Affected products

• Async Project Async: through 2.6.4; through 3.2.5

References

• https://github.com/caolan/async/blob/v3.2.5/lib/autoInject.js#L41
• https://github.com/caolan/async/blob/v3.2.5/lib/autoInject.js#L6
• https://github.com/caolan/async/issues/1975#issuecomment-2204528153
• https://github.com/zunak/CVE-2024-39249
• https://github.com/zunak/CVE-2024-39249/issues/1
• https://github.com/caolan/async/blob/v3.2.5/lib/autoInject.js#L41
• https://github.com/caolan/async/blob/v3.2.5/lib/autoInject.js#L6
• https://github.com/caolan/async/issues/1975#issuecomment-2204528153
• https://github.com/zunak/CVE-2024-39249
• https://github.com/zunak/CVE-2024-39249/issues/1

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