The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string
Published Feb 23, 2016
7.5
HIGHCVSS 3.0
EPSS 1.85%
Description
The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.
Affected products
No data.
- ≤ 2.12.3
No data.
No Red Hat product state for this CVE.
is-my-json-valid
npm
Introduced 0 Fixed 2.12.4
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | is-my-json-valid | 0 | 2.12.4 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.85% (0.01849) | 78.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.85% (0.01849) | 76.25th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.82% (0.00817) | 72.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.43% (0.00434) | 75.41th | v3 (v2023.03.01) |
| May 25, 2024 | 0.43% (0.00434) | 74.55th | v3 (v2023.03.01) |
| Feb 18, 2024 | 0.37% (0.00367) | 71.77th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00260) | 64.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00260) | 61.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (10)
- https://github.com/advisories/GHSA-f522-ffg8-j8r6 Advisory
- https://github.com/github/advisory-database/pull/4850
- https://github.com/mafintosh/is-my-json-valid/commit/b3051b277f7caa08cd2edc6f74f50aeda65d2976
- https://github.com/mafintosh/is-my-json-valid/commit/eca4beb21e61877d76fdf6bea771f72f39544d9b x_refsource_CONFIRMPatch
- https://github.com/mafintosh/is-my-json-valid/pull/159
- https://hackerone.com/reports/317548
- https://nodesecurity.io/advisories/76 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-2537
- https://www.npmjs.com/advisories/572
- https://www.npmjs.com/advisories/76
Change history (0)
No recorded changes yet.