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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-64002] Consistently disallow out-of-bounds access to the children vector of MatchExpressions</title>
                <link>https://jira.mongodb.org/browse/SERVER-64002</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Right now, different subclasses of `MatchExpression` have different failure behavior for the `getChild(size_t index)` function. &lt;a href=&quot;https://github.com/10gen/mongo/blob/c2a96ca05d4e196d3b5ffb81d05a88346e4e8fbe/src/mongo/db/matcher/schema/expression_internal_schema_all_elem_match_from_index.h#L100&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Some have an invariant&lt;/a&gt;, while &lt;a href=&quot;https://github.com/10gen/mongo/blob/c2a96ca05d4e196d3b5ffb81d05a88346e4e8fbe/src/mongo/db/matcher/expression_tree.h#L63&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;some will blindly pass on the out-of-bounds index to the underlying vector&lt;/a&gt;, which will result in a segfault. This behavior should be standardized, either with invariant (what some do currently) or tassert (probably makes more sense, no reason to crash the whole server in this case).&lt;/p&gt;
</description>
                <environment></environment>
        <key id="1990454">SERVER-64002</key>
            <summary>Consistently disallow out-of-bounds access to the children vector of MatchExpressions</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</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="lynne.wang@mongodb.com">Lynne Wang</assignee>
                                    <reporter username="davis.haupt@mongodb.com">Davis Haupt</reporter>
                        <labels>
                            <label>quick-tech-debt</label>
                    </labels>
                <created>Fri, 25 Feb 2022 17:16:31 +0000</created>
                <updated>Sun, 29 Oct 2023 21:41:58 +0000</updated>
                            <resolved>Mon, 11 Jul 2022 18:15:53 +0000</resolved>
                                                    <fixVersion>6.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="4654913" author="xgen-internal-githook" created="Sun, 3 Jul 2022 22:45:36 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Lynne Wang&apos;, &apos;email&apos;: &apos;lynne.wang@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64002&quot; title=&quot;Consistently disallow out-of-bounds access to the children vector of MatchExpressions&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64002&quot;&gt;&lt;del&gt;SERVER-64002&lt;/del&gt;&lt;/a&gt; Consistently disallow out-of-bounds access to the children vector of MatchExpressions&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/44d8e4b0819c89ae5be8fee4d10a525595158220&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/44d8e4b0819c89ae5be8fee4d10a525595158220&lt;/a&gt;&lt;/p&gt;</comment>
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