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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">Please file a bug report with the relevant (and disclosable) details.<o:p></o:p></span></p>
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<b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">core-libs-dev <core-libs-dev-retn@openjdk.org> on behalf of David Schumann <david@dev-core.org><br>
<b>Date: </b>Friday, 27 January 2023 at 12:50<br>
<b>To: </b>core-libs-dev@openjdk.org <core-libs-dev@openjdk.org><br>
<b>Subject: </b>Is ReDos seen as bug/vulnerability?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Hello,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">during a PenTest we found a ReDos issue in the JRE which causes Matcher.matches() to go into an endless loop. Is such an issue considered a bug for the JDK team (aka should I file
a bug report)? Or is such an issue considered "by design"?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">The issue appears in current JRE versions (tested with 17 and 21)<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Best Regards,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">David Schumann<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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