cve.bz

CVE-2020-1920

7.5 highEPSS 1.4%

High (7.5) in facebook react-native. EPSS 1.4% chance of exploitation in the next 30 days. Fixed in react-native 0.62.3, 0.64.1.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWEs
CWE-697, CWE-1333
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-7f53-fmmv-mfjvnpmreact-native>=0.59.0 <0.62.30.62.3
GHSA-7f53-fmmv-mfjvnpmreact-native>=0.63.0 <0.64.10.64.1

References

Check your stackJSON