<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>310307</bug_id>
          
          <creation_ts>2026-03-19 13:27:19 -0700</creation_ts>
          <short_desc>Fix null dereference crash when focus navigates into  cross-origin iframe containing a nested remote frame</short_desc>
          <delta_ts>2026-04-03 17:47:06 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebCore Misc.</component>
          <version>Other</version>
          <rep_platform>iPhone / iPad</rep_platform>
          <op_sys>Other</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          <dependson>310548</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Sean Patterson">sean_patterson</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2191828</commentid>
    <comment_count>0</comment_count>
    <who name="Sean Patterson">sean_patterson</who>
    <bug_when>2026-03-19 13:27:19 -0700</bug_when>
    <thetext>rdar://172564611</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2191830</commentid>
    <comment_count>1</comment_count>
    <who name="Sean Patterson">sean_patterson</who>
    <bug_when>2026-03-19 13:39:07 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/60956</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2191838</commentid>
    <comment_count>2</comment_count>
    <who name="Alexey Proskuryakov">ap</who>
    <bug_when>2026-03-19 14:24:15 -0700</bug_when>
    <thetext>*** Bug 310305 has been marked as a duplicate of this bug. ***</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2191840</commentid>
    <comment_count>3</comment_count>
    <who name="Alexey Proskuryakov">ap</who>
    <bug_when>2026-03-19 14:24:17 -0700</bug_when>
    <thetext>*** Bug 310306 has been marked as a duplicate of this bug. ***</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2192178</commentid>
    <comment_count>4</comment_count>
    <who name="Sean Patterson">sean_patterson</who>
    <bug_when>2026-03-20 14:42:48 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/61040</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2192311</commentid>
    <comment_count>5</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-03-20 23:24:18 -0700</bug_when>
    <thetext>Committed 309671@main (91d5f2e29338): &lt;https://commits.webkit.org/309671@main&gt;

Reviewed commits have been landed. Closing PR #61040 and removing active labels.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2192800</commentid>
    <comment_count>6</comment_count>
    <who name="Marta Darbinyan">darbinyan</who>
    <bug_when>2026-03-23 10:34:50 -0700</bug_when>
    <thetext>Reopened Bugzilla.
NEW TEST(309671@main): [macOS] TestWebKitAPI.FocusWebView.FocusNavigationIntoFrameWithNestedRemoteFrame is constant timeout, tracking revert in https://bugs.webkit.org/show_bug.cgi?id=310548.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2193257</commentid>
    <comment_count>7</comment_count>
    <who name="Sean Patterson">sean_patterson</who>
    <bug_when>2026-03-24 14:31:01 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/61269</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2196747</commentid>
    <comment_count>8</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-04-03 17:47:04 -0700</bug_when>
    <thetext>Committed 310547@main (6a158c26f432): &lt;https://commits.webkit.org/310547@main&gt;

Reviewed commits have been landed. Closing PR #61269 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>