Inefficient Regular Expression Complexity Affecting gitlab-rails-ce-fips-19.2 package, versions <19.2.1-r2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.37% (30th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-GITLABRAILSCEFIPS192-18741244
  • published13 Aug 2026
  • disclosed14 Jul 2026

Introduced: 14 Jul 2026

CVE-2026-48801  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Chainguard gitlab-rails-ce-fips-19.2 to version 19.2.1-r2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gitlab-rails-ce-fips-19.2 package and not the gitlab-rails-ce-fips-19.2 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

linkify-it is a links recognition library with full Unicode support. Prior to 5.0.1, LinkifyIt.prototype.match, the package's primary public API, has O(N²) algorithmic complexity for inputs containing many fuzzy links or emails because the JavaScript-level scan loop re-slices input and re-runs unanchored regex searches on progressively shorter tails. Any service that synchronously renders untrusted Markdown with linkify:true on a request hot path can inherit a worker-process denial of service triggerable by a tens-of-KB request body. This issue is fixed in version 5.0.1.

CVSS Base Scores

version 3.1