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CVE-2026-57819 Apache CXF allows to set a limit on the number of form parameters in a JAX-RS message via the "maxFormParameterCount"…

Description

Apache CXF allows to set a limit on the number of form parameters in a JAX-RS message via the "maxFormParameterCount" configuration option. However, no default limit is set which may lead to denial of service attacks when processing  requests with very large numbers of form parameters. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue by using a default limit of 500 parameters.

Affected products and versions

Product Affected versions Fixed in
Apache CXF 4.2 4.2.0 → < 4.2.3 4.2.3
Apache CXF 4.0 4.0.0 → < 4.1.8 4.1.8
Apache CXF 3.6 earliest → < 3.6.12 3.6.12

References

Timeline

  1. Published
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