Uncontrolled Memory Allocation Affecting gitlab-rails-ce-fips-18.10 package, versions <18.10.3-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.61% (48th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-GITLABRAILSCEFIPS1810-16061396
  • published15 Apr 2026
  • disclosed24 Mar 2026

Introduced: 24 Mar 2026

CVE-2026-33174  (opens in a new tab)
CWE-789  (opens in a new tab)

How to fix?

Upgrade Chainguard gitlab-rails-ce-fips-18.10 to version 18.10.3-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gitlab-rails-ce-fips-18.10 package and not the gitlab-rails-ce-fips-18.10 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when serving files through Active Storage's proxy delivery mode, the proxy controller loads the entire requested byte range into memory before sending it. A request with a large or unbounded Range header (e.g. bytes=0-) could cause the server to allocate memory proportional to the file size, possibly resulting in a DoS vulnerability through memory exhaustion. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

CVSS Base Scores

version 3.1