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Advisory Weakness Curation

CVE-2022-23514

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Advisory Summaries

github_osv/GHSA-486f-hjj9-9vhh

Inefficient Regular Expression Complexity in Loofah ## Summary Loofah `< 2.19.1` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. ## Mitigation Upgrade to Loofah `>= 2.19.1`. ## Severity The Loofah maintainers have evaluated this as High Severity 7.5 (CVSS3.1) https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. ## References - CWE - CWE-1333: Inefficient Regular Expression Complexity (4.9) https://cwe.mitre.org/data/definitions/1333.html - https://hackerone.com/reports/1684163 ## Credit This vulnerability was responsibly reported by @ooooooo-q (https://github.com/ooooooo-q)

gitlab/gem/loofah/CVE-2022-23514

Inefficient Regular Expression Complexity in Loofah Loofah `< 2.19.1` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption.

gitlab/gem/loofah/GMS-2022-8289

Duplicate This advisory duplicates another.