Missing Release of Memory after Effective Lifetime Affecting multer package, versions <2.0.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published20 May 2025
- disclosed19 May 2025
- creditUnlimitedBytes
Introduced: 19 May 2025
NewCVE-2025-47935 (opens in a new tab)How to fix?
Upgrade multer to version 2.0.0 or higher.
Overview
Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime due to improper handling of error events in HTTP request streams, which fails to close the internal busboy stream. An attacker can cause a denial of service by repeatedly triggering errors in file upload streams, leading to resource exhaustion and memory leaks.
Note:
This is only exploitable if the server is handling file uploads.