In short
- CVE-2023-24807 is a HIGH (CVSS 7.5) vulnerability affecting undici (nodejs), undici.
- Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 70.8% of all vulnerabilities.
- Fix: update to 5.19.1 or later.
| Package | Affected versions | Patched versions |
|---|
| undici | < 5.19.1
| 5.19.1
|
| undici npm | < 5.19.1
| 5.19.1
|
Description
Impact
The Headers.set() and Headers.append() methods are vulnerable to Regular Expression Denial of Service (ReDoS) attacks when untrusted values are passed into the functions. This is due to the inefficient regular expression used to normalize the values in the headerValueNormalize() utility function.
Patches
This vulnerability was patched in v5.19.1.
Workarounds
There is no workaround. Please update to an unaffected version.
References
Credits
Carter Snook reported this vulnerability.
NVD description
Undici is an HTTP/1.1 client for Node.js. Prior to version 5.19.1, the `Headers.set()` and `Headers.append()` methods are vulnerable to Regular Expression Denial of Service (ReDoS) attacks when untrusted values are passed into the functions. This is due to the inefficient regular expression used to normalize the values in the `headerValueNormalize()` utility function. This vulnerability was patched in v5.19.1. No known workarounds are available.
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