CVE-2021-27290

high

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 of service. This issue only affects consumers using the strict option.

References

Advisories
More

https://www.oracle.com/security-alerts/cpuoct2021.html

https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf

https://github.com/advisories/GHSA-vx3p-948g-6vhq

https://npmjs.com

https://github.com/yetingli/SaveResults/blob/main/pdf/ssri-redos.pdf

https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdf

Details

Source: Mitre, NVD

Published: 2021-03-12

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.02034