<?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>263989</bug_id>
          <alias>CVE-2023-42956</alias>
          <creation_ts>2023-10-31 11:43:34 -0700</creation_ts>
          <short_desc>Applying wavy underline text decoration on &lt;del&gt; text will hang if the font size is zero</short_desc>
          <delta_ts>2025-08-22 16:32:59 -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>Layout and Rendering</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=260372</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=297811</see_also>
          <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>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Said Abou-Hallawa">sabouhallawa</reporter>
          <assigned_to name="Said Abou-Hallawa">sabouhallawa</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>mcatanzaro</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1988925</commentid>
    <comment_count>0</comment_count>
      <attachid>468430</attachid>
    <who name="Said Abou-Hallawa">sabouhallawa</who>
    <bug_when>2023-10-31 11:43:34 -0700</bug_when>
    <thetext>Created attachment 468430
test case

Open the attached test case.

Result: WebKit will hang and eventually will jetsam.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1988927</commentid>
    <comment_count>1</comment_count>
    <who name="Said Abou-Hallawa">sabouhallawa</who>
    <bug_when>2023-10-31 11:44:04 -0700</bug_when>
    <thetext>rdar://113930569</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1988930</commentid>
    <comment_count>2</comment_count>
    <who name="Said Abou-Hallawa">sabouhallawa</who>
    <bug_when>2023-10-31 11:47:39 -0700</bug_when>
    <thetext>rdar://117357827</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1988938</commentid>
    <comment_count>3</comment_count>
    <who name="Said Abou-Hallawa">sabouhallawa</who>
    <bug_when>2023-10-31 12:14:29 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/19787</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1989014</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2023-10-31 15:44:37 -0700</bug_when>
    <thetext>Committed 270033@main (1034f6e16761): &lt;https://commits.webkit.org/270033@main&gt;

Reviewed commits have been landed. Closing PR #19787 and removing active labels.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>468430</attachid>
            <date>2023-10-31 11:43:34 -0700</date>
            <delta_ts>2023-10-31 11:43:34 -0700</delta_ts>
            <desc>test case</desc>
            <filename>del-text-zero-size-wavy-style.html</filename>
            <type>text/html</type>
            <size>150</size>
            <attacher name="Said Abou-Hallawa">sabouhallawa</attacher>
            
              <data encoding="base64">PHN0eWxlPgogICAgLmNsYXNzNiB7IAogICAgICAgIGZvbnQtc2l6ZTogMGNtOyAKICAgICAgICB0
ZXh0LWRlY29yYXRpb24tc3R5bGU6IHdhdnk7CiAgICB9Cjwvc3R5bGU+Cjxib2R5PgogICAgPGRl
bCBjbGFzcz0iY2xhc3M2Ij50ZXN0PC9kZWw+CjwvYm9keT4K
</data>

          </attachment>
      

    </bug>

</bugzilla>