The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.
CVE-2021-28092 - High Severity Vulnerability
Check if a string or buffer is SVG
Library home page: https://registry.npmjs.org/is-svg/-/is-svg-3.0.0.tgz
Dependency Hierarchy: - optimize-css-assets-webpack-plugin-5.0.4.tgz (Root Library) - cssnano-4.1.10.tgz - cssnano-preset-default-4.0.7.tgz - postcss-svgo-4.0.2.tgz - :x: **is-svg-3.0.0.tgz** (Vulnerable Library)
Found in HEAD commit: 57add7b0a1f99c21ea28094adb747d0addd0a984
Found in base branch: master
The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.
Publish Date: 2021-03-12
URL: CVE-2021-28092
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28092
Release Date: 2021-03-12
Fix Resolution (is-svg): 4.2.2
Direct dependency fix Resolution (optimize-css-assets-webpack-plugin): 5.0.5