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  5. CVE-2026-33241

CVE-2026-33241: Salvo Affected by Denial of Service via Unbounded Memory Allocation in Form Data Parsing

March 19, 2026

Salvo’s form data parsing implementations (form_data() method and Extractible macro) do not enforce payload size limits before reading request bodies into memory. This allows attackers to cause Out-of-Memory (OOM) conditions by sending extremely large payloads, leading to service crashes and denial of service.

References

  • github.com/advisories/GHSA-pp9r-xg4c-8j4x
  • github.com/salvo-rs/salvo
  • github.com/salvo-rs/salvo/security/advisories/GHSA-pp9r-xg4c-8j4x
  • nvd.nist.gov/vuln/detail/CVE-2026-33241

Code Behaviors & Features

Detect and mitigate CVE-2026-33241 with GitLab Dependency Scanning

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Affected versions

All versions before 0.89.3

Fixed versions

  • 0.89.3

Solution

Upgrade to version 0.89.3 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-770: Allocation of Resources Without Limits or Throttling

Source file

cargo/salvo/CVE-2026-33241.yml

Spotted a mistake? Edit the file on GitLab.

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