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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-44377] Invariant failure on indexed inequality to null</title>
                <link>https://jira.mongodb.org/browse/SERVER-44377</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;div class=&quot;panel&quot; style=&quot;background-color: #eeeeee;border-color: #cccccc;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;border-bottom-color: #cccccc;background-color: #6cb33f;&quot;&gt;&lt;b&gt;CVE-2019-20924&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #eeeeee;&quot;&gt;
&lt;p&gt;&lt;b&gt;Title:&lt;/b&gt;&#160; Invariant in IndexBoundsBuilder&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Description:&lt;/b&gt;&lt;br/&gt;
 A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries which trigger an invariant in the IndexBoundsBuilder. This issue affects: MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.2.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;CVSS score:&lt;/b&gt;&lt;br/&gt;
 This issue&apos;s CVSS:3.1 severity is scored at 6.5 using the following scoring metrics:&lt;br/&gt;
 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Affected versions:&lt;/b&gt;&lt;br/&gt;
 MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.2.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;CWE:&lt;/b&gt; CWE-394: Unexpected Status Code or Return Value&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;&#8212;&lt;br/&gt;
 Due to a bug in the query planner it&apos;s possible to trip &lt;a href=&quot;https://github.com/mongodb/mongo/blob/8010c51d3f1cc1020959f8b351f8242d141d42a3/src/mongo/db/query/index_bounds_builder.cpp#L450&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this&lt;/a&gt; invariant for certain types of queries.&lt;/p&gt;</description>
                <environment></environment>
        <key id="987610">SERVER-44377</key>
            <summary>Invariant failure on indexed inequality to null</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="ian.boros@mongodb.com">Ian Boros</assignee>
                                    <reporter username="ian.boros@mongodb.com">Ian Boros</reporter>
                        <labels>
                            <label>KP44</label>
                    </labels>
                <created>Fri, 1 Nov 2019 19:25:16 +0000</created>
                <updated>Sun, 29 Oct 2023 22:15:27 +0000</updated>
                            <resolved>Mon, 11 Nov 2019 19:30:38 +0000</resolved>
                                    <version>4.2.1</version>
                    <version>4.3.1</version>
                                    <fixVersion>4.3.1</fixVersion>
                    <fixVersion>4.2.2</fixVersion>
                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="2539708" author="xgen-internal-githook" created="Wed, 13 Nov 2019 21:21:01 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;puppyofkosh&apos;, &apos;email&apos;: &apos;ian.boros@mongodb.com&apos;, &apos;name&apos;: &apos;Ian Boros&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44377&quot; title=&quot;Invariant failure on indexed inequality to null&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44377&quot;&gt;&lt;del&gt;SERVER-44377&lt;/del&gt;&lt;/a&gt; generate correct plan for indexed inequalities to null&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e4338fa6e876e61e47f68e7f573ead7bcfbd06fc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e4338fa6e876e61e47f68e7f573ead7bcfbd06fc&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2528854" author="xgen-internal-githook" created="Mon, 11 Nov 2019 17:38:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;puppyofkosh&apos;, &apos;email&apos;: &apos;ian.boros@mongodb.com&apos;, &apos;name&apos;: &apos;Ian Boros&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44377&quot; title=&quot;Invariant failure on indexed inequality to null&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44377&quot;&gt;&lt;del&gt;SERVER-44377&lt;/del&gt;&lt;/a&gt; generate correct plan for indexed inequalities to null&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f8f55e1825ee5c7bdb3208fc7c5b54321d172732&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f8f55e1825ee5c7bdb3208fc7c5b54321d172732&lt;/a&gt;&lt;/p&gt;</comment>
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