A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash
Published Jun 1, 2021
7.5
HIGHCVSS 3.1
EPSS 1.36%
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.
Affected products
-
- Version 0.59.0StatusaffectedConstraints<unspecified
- Version 0.64.1StatusunaffectedConstraints<unspecified
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| React-Native | n/a |
|
- ≥ 0.59.0 · < 0.64.1
No data.
No Red Hat product state for this CVE.
react-native
npm
Introduced 0.59.0 Fixed 0.62.3react-native
npm
Introduced 0.63.0 Fixed 0.64.1
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | react-native | 0.59.0 | 0.62.3 |
| npm | react-native | 0.63.0 | 0.64.1 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.36% (0.01363) | 70.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.36% (0.01363) | 68.08th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.39% (0.00385) | 57.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00105) | 44.61th | v3 (v2023.03.01) |
| Feb 15, 2024 | 0.10% (0.00105) | 41.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00091) | 37.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.40% (0.03396) | 67.40th | v1 |
| Jan 6, 2022 | 3.40% (0.03396) | 67.08th | v1 |
| Jan 5, 2022 | 0.78% (0.00777) | 52.24th | v1 |
| Jun 15, 2021 | 0.78% (0.00777) | 0.00th | v1 |
| Jun 10, 2021 | 3.40% (0.03396) | 0.00th | v1 |
| Jun 9, 2021 | 0.78% (0.00777) | 0.00th | v5 (v2026.06.15) |
| Jun 2, 2021 | 0.78% (0.00777) | 0.00th | v1 |
References (7)
- https://github.com/advisories/GHSA-7f53-fmmv-mfjv Advisory
- https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7 x_refsource_MISCPatchThird Party Advisory
- https://github.com/facebook/react-native/releases/tag/v0.62.3
- https://github.com/facebook/react-native/releases/tag/v0.64.1 x_refsource_CONFIRMRelease NotesThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-1920
- https://securitylab.github.com/advisories/GHSL-2020-293-redos-react-native/
- https://www.npmjs.com/package/react-native
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-7f53-fmmv-mfjv | Advisory | |
| https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/facebook/react-native/releases/tag/v0.62.3 | ||
| https://github.com/facebook/react-native/releases/tag/v0.64.1 | x_refsource_CONFIRMRelease NotesThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-1920 | ||
| https://securitylab.github.com/advisories/GHSL-2020-293-redos-react-native/ | ||
| https://www.npmjs.com/package/react-native |
Change history (0)
No recorded changes yet.