Vulnerability in Sciruby Nmatrix
CVE-2021-36773
uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recursion that can trigger memory consumption and a loss of all blocking functionality).
EPSS: 0.013 (66.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Sciruby Nmatrix
- Ublockorigin Ublock_origin
- Umatrix_project Umatrix
- Debian Debian_linux — versions 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-36773?
- CVE-2021-36773 is a high-severity vulnerability in Sciruby Nmatrix, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2021-07-18.
- How severe is CVE-2021-36773?
- High severity. CVSS v3 base score is 7.5 out of 10.