CVE-2018-20164
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.29% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.4% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-02-13 14:00Z7 YR AGO
- Last updated
- 2024-08-05 11:51Z2 YR AGO
- Reserved
- 2018-12-15
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-185Incorrect Regular ExpressionClass
- Data version
- 5.1
- Document digest
- caf70cb7839fd0b46d795140219ae70f153807e1c0972dfa4819c1873e213986
05 Affected products
06 References
- github.comhttps://github.com/ua-parser/uap-core/commit/010ccdc7303546cd22b9da687c29f4a996990014
- github.comhttps://github.com/ua-parser/uap-core/commit/156f7e12b215bddbaf3df4514c399d683e6cdadc
- www.x41-dsec.dehttps://www.x41-dsec.de/lab/advisories/x41-2018-009-uaparser/
- github.comhttps://github.com/ua-parser/uap-core/issues/332
07 Fixed in
Debian 12
- uap-core Fixed in 20190213-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- uap-core Fixed in 20190213-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- uap-core Fixed in 20190213-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.