An issue was discovered in regex.yaml (aka regexes.yaml) in UA-Parser UAP-Core before 0.6.0
Published Feb 13, 2019
5.3
MEDIUMCVSS 3.0
EPSS 3.30%
Description
An issue was discovered in regex.yaml (aka regexes.yaml) in UA-Parser UAP-Core before 0.6.0. A Regular Expression Denial of Service (ReDoS) issue allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to a value containing a long digit string. (The UAP-Core project contains the vulnerability, propagating to all implementations.)
Affected products
No data.
- < 0.6.0
No data.
No Red Hat product state for this CVE.
uap-core
npm
Introduced 0 Fixed 0.6.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | uap-core | 0 | 0.6.0 |
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:L
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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.30% (0.03298) | 88.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.30% (0.03298) | 86.87th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.90% (0.00900) | 73.55th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.69% (0.03695) | 79.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.90% (0.00900) | 74.03th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.78% (0.00776) | 82.03th | v3 (v2023.03.01) |
| Jul 6, 2024 | 0.78% (0.00776) | 81.46th | v3 (v2023.03.01) |
| May 4, 2024 | 0.66% (0.00660) | 79.47th | v3 (v2023.03.01) |
| Feb 7, 2024 | 0.66% (0.00660) | 77.47th | v3 (v2023.03.01) |
| Dec 20, 2023 | 0.48% (0.00476) | 73.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.68% (0.00675) | 76.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.18% (0.07176) | 92.30th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.18% (0.07176) | 91.55th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.18% (0.07176) | 80.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.89% (0.06891) | 83.32th | v1 |
| Jan 6, 2022 | 6.89% (0.06891) | 83.16th | v1 |
| Sep 1, 2021 | 6.89% (0.06891) | 91.10th | v1 |
| Apr 14, 2021 | 6.89% (0.06891) | 0.00th | v1 |
References (6)
- https://github.com/advisories/GHSA-fx7m-j728-mjw3 Advisory
- https://github.com/ua-parser/uap-core/commit/010ccdc7303546cd22b9da687c29f4a996990014 x_refsource_MISCPatchThird Party Advisory
- https://github.com/ua-parser/uap-core/commit/156f7e12b215bddbaf3df4514c399d683e6cdadc x_refsource_MISCPatchThird Party Advisory
- https://github.com/ua-parser/uap-core/issues/332 x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2018-20164
- https://www.x41-dsec.de/lab/advisories/x41-2018-009-uaparser/ x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-fx7m-j728-mjw3 | Advisory | |
| https://github.com/ua-parser/uap-core/commit/010ccdc7303546cd22b9da687c29f4a996990014 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/ua-parser/uap-core/commit/156f7e12b215bddbaf3df4514c399d683e6cdadc | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/ua-parser/uap-core/issues/332 | x_refsource_MISC | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-20164 | ||
| https://www.x41-dsec.de/lab/advisories/x41-2018-009-uaparser/ | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.