In short
- CVE-2024-52798 is a HIGH (CVSS 7.7) vulnerability affecting path-to-regexp.
- Chance of exploitation in the next 30 days (EPSS): 0.79%, higher than 56.3% of all vulnerabilities.
- Fix: update to 0.1.12 or later.
| Package | Affected versions | Patched versions |
|---|
| path-to-regexp npm | < 0.1.12
| 0.1.12
|
Description
Impact
The regular expression that is vulnerable to backtracking can be generated in versions before 0.1.12 of path-to-regexp, originally reported in CVE-2024-45296
Patches
Upgrade to 0.1.12.
Workarounds
Avoid using two parameters within a single path segment, when the separator is not . (e.g. no /:a-:b). Alternatively, you can define the regex used for both parameters and ensure they do not overlap to allow backtracking.
References
NVD description
path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be exploited to cause poor performance. The regular expression that is vulnerable to backtracking can be generated in the 0.1.x release of path-to-regexp. Upgrade to 0.1.12. This vulnerability exists because of an incomplete fix for CVE-2024-45296.
More vulnerabilities in path-to-regexp
See all →Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free