GHSA-gj77-59wh-66hg

    Dashboard / Vulnerabilities / GHSA-gj77-59wh-66hg

    GHSA-gj77-59wh-66hg

    Published: 28 Jun 2021Last Modified: 8 Jul 2026

    Summary: Regular Expression Denial of Service (ReDoS) in Prism

    Details: Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service (ReDoS). ### Impact When Prism is used to highlight untrusted (user-given) text, an attacker can craft a string that will take a very very long time to highlight. Do not use the following languages to highlight untrusted text. - ASCIIDoc - ERB Other languages are __not__ affected and can be used to highlight untrusted text. ### Patches This problem has been fixed in Prism v1.24. ### References - PrismJS/prism#2774 - PrismJS/prism#2688

    References: https://github.com/PrismJS/prism/security/advisories/GHSA-gj77-59wh-66hg, https://nvd.nist.gov/vuln/detail/CVE-2021-32723, https://github.com/PrismJS/prism/pull/2688, https://github.com/PrismJS/prism/pull/2774, https://github.com/PrismJS/prism/commit/d85e30da6755fdbe7f8559f8e75d122297167018, https://github.com/PrismJS/prism, https://www.oracle.com/security-alerts/cpujan2022.html

    Affected packages

    Package

    Name: prismjs

    Purl: pkg:npm/prismjs

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.24.0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-gj77-59wh-66hg | CVE-DB