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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-43879] OplogInterfaceLocal::next should return an owned BSON obj</title>
                <link>https://jira.mongodb.org/browse/SERVER-43879</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/24801040674811d777db91508419522e933e0b1e/src/mongo/db/repl/oplog_interface_local.cpp#L76-L84&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;OplogInterfaceLocal::next()&lt;/a&gt; returns an unowned BSONObj. This is problematic because callers in &lt;a href=&quot;https://github.com/mongodb/mongo/blob/be871247f92e6761f462300db061a48ccb9f3543/src/mongo/db/repl/roll_back_local_operations.cpp&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;RollBackLocalOperations::onRemoteOperation()&lt;/a&gt; save the resulting object and call next() several times without taking ownership first. This results in a bugs where an unowned BSONObj can point to freed or overwritten memory.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="964425">SERVER-43879</key>
            <summary>OplogInterfaceLocal::next should return an owned BSON obj</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="louis.williams@mongodb.com">Louis Williams</assignee>
                                    <reporter username="louis.williams@mongodb.com">Louis Williams</reporter>
                        <labels>
                    </labels>
                <created>Tue, 8 Oct 2019 13:53:13 +0000</created>
                <updated>Sun, 29 Oct 2023 22:16:20 +0000</updated>
                            <resolved>Tue, 8 Oct 2019 20:30:58 +0000</resolved>
                                    <version>3.4.0</version>
                    <version>3.6.0</version>
                    <version>4.0.0</version>
                    <version>4.2.0</version>
                                    <fixVersion>4.3.1</fixVersion>
                    <fixVersion>3.4.24</fixVersion>
                    <fixVersion>4.0.14</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="2512334" author="xgen-internal-githook" created="Thu, 31 Oct 2019 13:56:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Judah Schvimer&apos;, &apos;username&apos;: &apos;judahschvimer&apos;, &apos;email&apos;: &apos;judah.schvimer@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43879&quot; title=&quot;OplogInterfaceLocal::next should return an owned BSON obj&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43879&quot;&gt;&lt;del&gt;SERVER-43879&lt;/del&gt;&lt;/a&gt; OplogInterfaceLocal::next should return an owned BSON obj&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 11cc6bd375b1a6089047a44909efb9cb4d1ad97e)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6488883c472556282a7a1bfa1ded079ada3a6820&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6488883c472556282a7a1bfa1ded079ada3a6820&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2509314" author="xgen-internal-githook" created="Wed, 30 Oct 2019 22:05:53 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Judah Schvimer&apos;, &apos;username&apos;: &apos;judahschvimer&apos;, &apos;email&apos;: &apos;judah.schvimer@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43879&quot; title=&quot;OplogInterfaceLocal::next should return an owned BSON obj&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43879&quot;&gt;&lt;del&gt;SERVER-43879&lt;/del&gt;&lt;/a&gt; OplogInterfaceLocal::next should return an owned BSON obj&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 11cc6bd375b1a6089047a44909efb9cb4d1ad97e)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/18fbbb89ade4f96da64a29c274e305f3a17e59f1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/18fbbb89ade4f96da64a29c274e305f3a17e59f1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2508490" author="xgen-internal-githook" created="Wed, 30 Oct 2019 15:15:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Judah Schvimer&apos;, &apos;username&apos;: &apos;judahschvimer&apos;, &apos;email&apos;: &apos;judah.schvimer@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43879&quot; title=&quot;OplogInterfaceLocal::next should return an owned BSON obj&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43879&quot;&gt;&lt;del&gt;SERVER-43879&lt;/del&gt;&lt;/a&gt; OplogInterfaceLocal::next should return an owned BSON obj&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 11cc6bd375b1a6089047a44909efb9cb4d1ad97e)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/18934fb5c814e87895c5e38ae1515dd6cb4c00f7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/18934fb5c814e87895c5e38ae1515dd6cb4c00f7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2508452" author="xgen-internal-githook" created="Wed, 30 Oct 2019 15:04:51 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;judahschvimer&apos;, &apos;email&apos;: &apos;judah.schvimer@10gen.com&apos;, &apos;name&apos;: &apos;Judah Schvimer&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43879&quot; title=&quot;OplogInterfaceLocal::next should return an owned BSON obj&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43879&quot;&gt;&lt;del&gt;SERVER-43879&lt;/del&gt;&lt;/a&gt; OplogInterfaceLocal::next should return an owned BSON obj&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 11cc6bd375b1a6089047a44909efb9cb4d1ad97e)&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/edf22ddd2963839b50a658c43532e1742caeefc2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/edf22ddd2963839b50a658c43532e1742caeefc2&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2472379" author="xgen-internal-githook" created="Tue, 8 Oct 2019 20:28:09 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Louis Williams&apos;, &apos;username&apos;: &apos;louiswilliams&apos;, &apos;email&apos;: &apos;louis.williams@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43879&quot; title=&quot;OplogInterfaceLocal::next should return an owned BSON obj&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43879&quot;&gt;&lt;del&gt;SERVER-43879&lt;/del&gt;&lt;/a&gt; OplogInterfaceLocal::next should return an owned BSON obj&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/11cc6bd375b1a6089047a44909efb9cb4d1ad97e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/11cc6bd375b1a6089047a44909efb9cb4d1ad97e&lt;/a&gt;&lt;/p&gt;</comment>
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