[Webkit-unassigned] [Bug 272749] New: Lone LF (\n) in responses to images result in timeouts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=272749

            Bug ID: 272749
           Summary: Lone LF (\n) in responses to images result in timeouts
           Product: WebKit
           Version: Safari 17
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jannis.rautenstrauch at cispa.de

Responses that contain a lone LF and are loaded as subresources (e.g., image) load forever and do not fire a load/error event.

Example response:
```
HTTP/1.1 200
\ntiming-allow-origin: *
more-headers

body
```

URL: http://sub.headers.websec.saarland/_hp/tests/perfAPI-tao.sub.html?resp_type=parsing&browser_id=1&label=TAO&first_id=41834&last_id=41843&scheme=http&t_resp_id=41838&t_element_relation=img_direct&t_resp_origin=https://headers.webappsec.eu 
- Loads for 5 seconds, then the test aborts
- Firefox and Chromium fail the request immediately and fire an error event

Related issue with Fetch: https://bugs.webkit.org/show_bug.cgi?id=272748

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