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OpenAdvisories
High DSA-4878-1 1 CVE

pygments - security update

Published Mar 27, 2021 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

ReleasePackageFixed in
Debian · 10 pygments 2.3.1+dfsg-1+deb10u2

Vulnerabilities 1

  • High 7.5
    CVE-2021-27291

    Pygments vulnerable to Regular Expression Denial of Service (ReDoS)

    In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity and are vulnerable to ReDoS. By crafting malicious input, an …

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