High severity7.5NVD Advisory· Published Jun 1, 2021· Updated Jun 17, 2026
CVE-2020-1920
CVE-2020-1920
Description
A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
react-nativenpm | >= 0.59.0, < 0.62.3 | 0.62.3 |
react-nativenpm | >= 0.63.0, < 0.64.1 | 0.64.1 |
Affected products
3cpe:2.3:a:facebook:react-native:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:facebook:react-native:*:*:*:*:*:*:*:*range: >=0.59.0,<0.64.1
- (no CPE)range: 0.59.0
Patches
Vulnerability mechanics
References
7- github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-7f53-fmmv-mfjvghsaADVISORY
- github.com/facebook/react-native/releases/tag/v0.64.1nvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2020-1920ghsaADVISORY
- securitylab.github.com/advisories/GHSL-2020-293-redos-react-nativeghsaADVISORY
- github.com/facebook/react-native/releases/tag/v0.62.3ghsaWEB
- www.npmjs.com/package/react-nativeghsaWEB
News mentions
0No linked articles in our index yet.