OCPBUGS-115306: [release-5.0] bugfix: default to english when Accept-Language header contains more than 1000 underscores

[everettraven]

to prevent a quadratic-time denial-of-service attack from spending a significant amount of time attempting to parse the acceptable languages from the request header.

Note: This is a manual cherry-pick of #253

[openshift-merge-bot]

Pipeline controller notification
This repo is configured to use the pipeline controller. Second-stage tests will be triggered either automatically or after lgtm label is added, depending on the repository configuration. The pipeline controller will automatically detect which contexts are required and will utilize /test Prow commands to trigger the second stage.

For optional jobs, comment /test ? to see a list of all defined jobs. To trigger manually all jobs from second stage use /pipeline required command.

This repository is configured in: LGTM mode

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on base/target branches other than the default branch.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository: openshift/coderabbit/.coderabbit.yaml

Review profile: CHILL

Plan: Enterprise

Run ID: ce30a0c0-6834-4d9d-8319-e5c2b31cc494

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

---

_{Comment @coderabbitai help to get the list of available commands.}

[liouk]

/lgtm

[openshift-merge-bot]

Scheduling required tests:
/test e2e-agnostic-upgrade
/test e2e-aws-serial
/test e2e-gcp

[openshift-ci]

@everettraven: all tests passed!

Full PR test history. Your PR dashboard.

Details

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

[everettraven]

/label backport-risk-assessed
/jira refresh

[openshift-ci-robot]

@everettraven: This pull request references Jira Issue OCPBUGS-115306, which is invalid:

• expected Jira Issue OCPBUGS-115306 to depend on a bug targeting a version in 5.1.0 and in one of the following states: MODIFIED, ON_QA, VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

/label backport-risk-assessed
/jira refresh

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[everettraven]

/jira refresh

[openshift-ci-robot]

@everettraven: This pull request references Jira Issue OCPBUGS-115306, which is valid. The bug has been moved to the POST state.

7 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (5.0.0) matches configured target version for branch (5.0.0)
• bug is in the state New, which is one of the valid states (NEW, ASSIGNED, POST)
• release note type set to "Release Note Not Required"
• dependent bug Jira Issue OCPBUGS-115307 is in the state Verified, which is one of the valid states (MODIFIED, ON_QA, VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA))
• dependent Jira Issue OCPBUGS-115307 targets the "5.1.0" version, which is one of the valid target versions: 5.1.0
• bug has dependents

No GitHub users were found matching the public email listed for the QA contact in Jira (ocp-sustaining-admins@redhat.com), skipping review request.

Details

In response to this:

/jira refresh

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[ibihim]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: everettraven, ibihim, liouk

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Details

Needs approval from an approver in each of these files:

• OWNERS [everettraven,ibihim]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[everettraven]

/verified by @everettraven

[openshift-ci-robot]

@everettraven: This PR has been marked as verified by @everettraven.

Details

In response to this:

/verified by @everettraven

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci-robot]

@everettraven: Jira Issue Verification Checks: Jira Issue OCPBUGS-115306
✔️ This pull request was pre-merge verified.
✔️ All associated pull requests have merged.
✔️ All associated, merged pull requests were pre-merge verified.

Jira Issue OCPBUGS-115306 has been moved to the MODIFIED state and will move to the VERIFIED state when the change is available in an accepted nightly payload. 🕓

Details

In response to this:

to prevent a quadratic-time denial-of-service attack from spending a significant amount of time attempting to parse the acceptable languages from the request header.

Note: This is a manual cherry-pick of #253

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-merge-robot]

Fix included in release 5.0.0-0.nightly-2026-09-11-044629