<oval_definitions xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5" xmlns:oval="http://oval.mitre.org/XMLSchema/oval-common-5" xmlns:oval-def="http://oval.mitre.org/XMLSchema/oval-definitions-5" xmlns:unix-def="http://oval.mitre.org/XMLSchema/oval-definitions-5#unix" xmlns:red-def="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" xmlns:ind-def="http://oval.mitre.org/XMLSchema/oval-definitions-5#independent" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://oval.mitre.org/XMLSchema/oval-common-5 oval-common-schema.xsd http://oval.mitre.org/XMLSchema/oval-definitions-5 oval-definitions-schema.xsd http://oval.mitre.org/XMLSchema/oval-definitions-5#unix unix-definitions-schema.xsd http://oval.mitre.org/XMLSchema/oval-definitions-5#linux linux-definitions-schema.xsd">
<generator>
<oval:product_name>Oracle Errata System</oval:product_name>
<oval:product_version>Oracle Linux</oval:product_version>
<oval:schema_version>5.11</oval:schema_version>
<oval:timestamp>2026-10-24T00:04:09</oval:timestamp>
</generator>
<definitions>
<definition id="oval:com.oracle.elsa:def:202672199" version="501" class="patch">
<metadata>
<title>
ELSA-2026-72199:  unbound security update (CRITICAL)
</title>
<affected family="unix">
<platform>Oracle Linux 7</platform>

</affected>
<reference source="elsa" ref_id="ELSA-2026-72199" ref_url="https://linux.oracle.com/errata/ELSA-2026-72199.html"/>
<reference source="CVE" ref_id="CVE-2026-81642" ref_url="https://linux.oracle.com/cve/CVE-2026-81642.html"/>

<description>
[1.6.6-5.0.3]
- Fix CVE-2026-81642 DNSKEY digest buffer overflow and add regression test [Orabug: 40081199]

[1.6.6-5.0.1]
- Fix CVE-2023-50387 and CVE-2023-50868 [Orabug: 37387426]
</description>
<!--
 ~~~~~~~~~~~~~~~~~~~~   advisory details   ~~~~~~~~~~~~~~~~~~~ 
-->
<advisory>
<severity>CRITICAL</severity>
<rights>Copyright 2026 Oracle, Inc.</rights>
<issued date="2026-10-23"/>
<cve cvss3="9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" href="https://linux.oracle.com/cve/CVE-2026-81642.html" public="20260916">CVE-2026-81642</cve>

<affected_cpe_list>
<cpe>cpe:/a:oracle:linux:7:9:latest_ELS</cpe>
</affected_cpe_list>
</advisory>
</metadata>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:202672199001" comment="Oracle Linux 7 is installed"/>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:202672199002" comment="Oracle Linux arch is x86_64"/>
<criteria operator="OR">
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:202672199003" comment="unbound is earlier than 0:1.6.6-5.0.3.el7_8"/>
<criterion test_ref="oval:com.oracle.elsa:tst:202672199004" comment="unbound is signed with the Oracle Linux 7 key"/>
</criteria>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:202672199005" comment="unbound-devel is earlier than 0:1.6.6-5.0.3.el7_8"/>
<criterion test_ref="oval:com.oracle.elsa:tst:202672199006" comment="unbound-devel is signed with the Oracle Linux 7 key"/>
</criteria>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:202672199007" comment="unbound-libs is earlier than 0:1.6.6-5.0.3.el7_8"/>
<criterion test_ref="oval:com.oracle.elsa:tst:202672199008" comment="unbound-libs is signed with the Oracle Linux 7 key"/>
</criteria>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:202672199009" comment="unbound-python is earlier than 0:1.6.6-5.0.3.el7_8"/>
<criterion test_ref="oval:com.oracle.elsa:tst:202672199010" comment="unbound-python is signed with the Oracle Linux 7 key"/>
</criteria>
</criteria>
</criteria>
</criteria>

</definition>
</definitions>
<!--
 ~~~~~~~~~~~~~~~~~~~~~   rpminfo tests   ~~~~~~~~~~~~~~~~~~~~~ 
-->
<tests>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199001"  version="501" comment="Oracle Linux 7 is installed" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199001" />
<state state_ref="oval:com.oracle.elsa:ste:202672199002" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199002"  version="501" comment="Oracle Linux arch is x86_64" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199001" />
<state state_ref="oval:com.oracle.elsa:ste:202672199003" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199003"  version="501" comment="unbound is earlier than 0:1.6.6-5.0.3.el7_8" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199002" />
<state state_ref="oval:com.oracle.elsa:ste:202672199004" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199004"  version="501" comment="unbound is signed with the Oracle Linux 7 key" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199002" />
<state state_ref="oval:com.oracle.elsa:ste:202672199001" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199005"  version="501" comment="unbound-devel is earlier than 0:1.6.6-5.0.3.el7_8" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199003" />
<state state_ref="oval:com.oracle.elsa:ste:202672199004" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199006"  version="501" comment="unbound-devel is signed with the Oracle Linux 7 key" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199003" />
<state state_ref="oval:com.oracle.elsa:ste:202672199001" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199007"  version="501" comment="unbound-libs is earlier than 0:1.6.6-5.0.3.el7_8" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199004" />
<state state_ref="oval:com.oracle.elsa:ste:202672199004" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199008"  version="501" comment="unbound-libs is signed with the Oracle Linux 7 key" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199004" />
<state state_ref="oval:com.oracle.elsa:ste:202672199001" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199009"  version="501" comment="unbound-python is earlier than 0:1.6.6-5.0.3.el7_8" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199005" />
<state state_ref="oval:com.oracle.elsa:ste:202672199004" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:202672199010"  version="501" comment="unbound-python is signed with the Oracle Linux 7 key" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:202672199005" />
<state state_ref="oval:com.oracle.elsa:ste:202672199001" />
</rpminfo_test>

</tests>
<!--
 ~~~~~~~~~~~~~~~~~~~~   rpminfo objects   ~~~~~~~~~~~~~~~~~~~~ 
-->
<objects>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:202672199004" version="501">
<name>unbound-libs</name>
</rpminfo_object>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:202672199005" version="501">
<name>unbound-python</name>
</rpminfo_object>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:202672199003" version="501">
<name>unbound-devel</name>
</rpminfo_object>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:202672199002" version="501">
<name>unbound</name>
</rpminfo_object>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:202672199001" version="501">
<name>oraclelinux-release</name>
</rpminfo_object>
</objects>
<states>
<!--
 ~~~~~~~~~~~~~~~~~~~~   rpminfo states   ~~~~~~~~~~~~~~~~~~~~~ 
-->
<rpminfo_state xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:ste:202672199001" version="501">
<signature_keyid operation="equals">72f97b74ec551f03</signature_keyid>
</rpminfo_state>
<rpminfo_state xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:ste:202672199002" version="501">
<version operation="pattern match">^7</version>
</rpminfo_state>
<rpminfo_state xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:ste:202672199003" version="501">
<arch operation="pattern match">x86_64</arch>
</rpminfo_state>
<rpminfo_state xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:ste:202672199004" version="501">
<evr datatype="evr_string" operation="less than">0:1.6.6-5.0.3.el7_8</evr>
</rpminfo_state>

</states>
</oval_definitions>
