CVE-2021-27290
ssri 5.2.2-8.0.0, fixed in 8.0.1, processes SRIs using a regular expression which is vulnerable to a denial of service. Malicious SRIs could take an extremely long time to process, leading to denial
02 Description
ssri 5.2.2-8.0.0, fixed in 8.0.1, processes SRIs using a regular expression which is vulnerable to a denial of service. Malicious SRIs could take an extremely long time to process, leading to denial
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
- 4.72% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.5% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
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
- 2021-03-12 21:47Z5 YR AGO
- Last updated
- 2024-08-03 20:48Z2 YR AGO
- Reserved
- 2021-02-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.1
- Document digest
- 5bc40aef719ada59b3c93efd0a370c167b18fcddf489f0484858c209fe550df5
05 Affected products
06 References
- npmjs.comhttps://npmjs.com
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.html
- doyensec.comhttps://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdf
- github.comhttps://github.com/yetingli/SaveResults/blob/main/pdf/ssri-redos.pdf
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
07 Fixed in
AlmaLinux 8
- nodejs-nodemon Fixed in 2.0.3-1.module_el8.4.0+2521+c668cc9f
- nodejs-packaging Fixed
A version is affected if any line below covers it.
- Affected before 17-3.module_el8.3.0+2023+d2377ea3
- Affected before 17-3.module_el8.4.0+2224+b07ac28e
- Affected before 17-3.module_el8.4.0+2521+c668cc9f
- Affected before 23-3.module_el8.4.0+2522+3bd42762
- Affected before 23-3.module_el8.5.0+254+b4526b16
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- nodejs Fixed in 16.4.1-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- nodejs-nodemon Fixed in 2.0.3-1.module_el8.4.0+2521+c668cc9f
- nodejs-packaging Fixed
A version is affected if any line below covers it.
- Affected before 17-3.module_el8.3.0+2023+d2377ea3
- Affected before 17-3.module_el8.4.0+2224+b07ac28e
- Affected before 17-3.module_el8.4.0+2521+c668cc9f
- Affected before 23-3.module_el8.4.0+2522+3bd42762
- Affected before 23-3.module_el8.5.0+254+b4526b16
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- node-ssri Fixed in 8.0.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- node-ssri Fixed in 8.0.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- node-ssri Fixed in 8.0.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- node-ssri No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- node-ssri No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. 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.