nodejs-no-case: regular expression denial of service in no-case module
Published Jun 7, 2018
7.5
HIGHCVSS 3.1
EPSS 1.58%
Description
The no-case module is vulnerable to regular expression denial of service. When malicious untrusted user input is passed into no-case it can block the event loop causing a denial of service condition.
Affected products
-
- Version <2.3.2StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HackerOne | NO-Case Node Module | n/a |
|
- < 2.3.2
No data.
Red Hat Quay 3
quay/quay-rhel8
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Quay 3 | quay/quay-rhel8 | Not affected | n/a |
no-case
npm
Introduced 0 Fixed 2.3.2
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | no-case | 0 | 2.3.2 |
Remediation
Red Hat statement
Red Hat Quay imports nodejs-no-case as a build time dependency of html-loader. Nodejs-no-case is only used as build time, and not at runtime.
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
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.58% (0.01584) | 74.67th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.58% (0.01584) | 74.47th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00105) | 43.26th | v3 (v2023.03.01) |
| Mar 5, 2024 | 0.10% (0.00105) | 41.55th | v3 (v2023.03.01) |
| Oct 28, 2023 | 0.10% (0.00097) | 40.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00105) | 41.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00777) | 21.50th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.78% (0.00777) | 0.00th | v1 |
References (8)
- https://access.redhat.com/security/cve/CVE-2017-16099 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1943976 Issue Tracking
- https://github.com/advisories/GHSA-ff6r-5jwm-8292 Advisory
- https://github.com/blakeembrey/no-case/issues/17 x_refsource_MISCThird Party Advisory
- https://nodesecurity.io/advisories/529 x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-16099
- https://www.cve.org/CVERecord?id=CVE-2017-16099
- https://www.npmjs.com/advisories/529
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-16099 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1943976 | Issue Tracking | |
| https://github.com/advisories/GHSA-ff6r-5jwm-8292 | Advisory | |
| https://github.com/blakeembrey/no-case/issues/17 | x_refsource_MISCThird Party Advisory | |
| https://nodesecurity.io/advisories/529 | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-16099 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-16099 | ||
| https://www.npmjs.com/advisories/529 |
Change history (0)
No recorded changes yet.