<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>2026-04-13T10:20:46</oval:timestamp>
</generator>
<definitions>
<definition id="oval:com.oracle.elsa:def:20267666" version="501" class="patch">
<metadata>
<title>
ELSA-2026-7666:  nghttp2 security update (IMPORTANT)
</title>
<affected family="unix">
<platform>Oracle Linux 10</platform>

</affected>
<reference source="elsa" ref_id="ELSA-2026-7666" ref_url="https://linux.oracle.com/errata/ELSA-2026-7666.html"/>
<reference source="CVE" ref_id="CVE-2026-27135" ref_url="https://linux.oracle.com/cve/CVE-2026-27135.html"/>

<description>
[1.64.0-2.1]
- fix Denial of service: Assertion failure due to the missing state validation (CVE-2026-27135)
</description>
<!--
 ~~~~~~~~~~~~~~~~~~~~   advisory details   ~~~~~~~~~~~~~~~~~~~ 
-->
<advisory>
<severity>IMPORTANT</severity>
<rights>Copyright 2026 Oracle, Inc.</rights>
<issued date="2026-04-12"/>
<cve cvss3="7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" href="https://linux.oracle.com/cve/CVE-2026-27135.html" public="20260318">CVE-2026-27135</cve>

<affected_cpe_list>
<cpe>cpe:/o:oracle:linux:10:1:baseos_patch</cpe>
<cpe>cpe:/a:oracle:linux:10::appstream</cpe>
<cpe>cpe:/o:oracle:linux:10::baseos_latest</cpe>
<cpe>cpe:/a:oracle:linux:10::codeready_builder</cpe>
</affected_cpe_list>
</advisory>
</metadata>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666001" comment="Oracle Linux 10 is installed"/>
<criteria operator="OR">
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666002" comment="Oracle Linux arch is aarch64"/>
<criteria operator="OR">
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666003" comment="libnghttp2 is earlier than 0:1.64.0-2.el10_1.1"/>
<criterion test_ref="oval:com.oracle.elsa:tst:20267666004" comment="libnghttp2 is signed with the Oracle Linux 10 key"/>
</criteria>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666005" comment="libnghttp2-devel is earlier than 0:1.64.0-2.el10_1.1"/>
<criterion test_ref="oval:com.oracle.elsa:tst:20267666006" comment="libnghttp2-devel is signed with the Oracle Linux 10 key"/>
</criteria>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666007" comment="nghttp2 is earlier than 0:1.64.0-2.el10_1.1"/>
<criterion test_ref="oval:com.oracle.elsa:tst:20267666008" comment="nghttp2 is signed with the Oracle Linux 10 key"/>
</criteria>
</criteria>
</criteria>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666009" comment="Oracle Linux arch is x86_64"/>
<criteria operator="OR">
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666003" comment="libnghttp2 is earlier than 0:1.64.0-2.el10_1.1"/>
<criterion test_ref="oval:com.oracle.elsa:tst:20267666004" comment="libnghttp2 is signed with the Oracle Linux 10 key"/>
</criteria>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666005" comment="libnghttp2-devel is earlier than 0:1.64.0-2.el10_1.1"/>
<criterion test_ref="oval:com.oracle.elsa:tst:20267666006" comment="libnghttp2-devel is signed with the Oracle Linux 10 key"/>
</criteria>
<criteria operator="AND">
<criterion test_ref="oval:com.oracle.elsa:tst:20267666007" comment="nghttp2 is earlier than 0:1.64.0-2.el10_1.1"/>
<criterion test_ref="oval:com.oracle.elsa:tst:20267666008" comment="nghttp2 is signed with the Oracle Linux 10 key"/>
</criteria>
</criteria>
</criteria>
</criteria>
</criteria>

</definition>
</definitions>
<!--
 ~~~~~~~~~~~~~~~~~~~~~   rpminfo tests   ~~~~~~~~~~~~~~~~~~~~~ 
-->
<tests>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666001"  version="501" comment="Oracle Linux 10 is installed" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:20267666001" />
<state state_ref="oval:com.oracle.elsa:ste:20267666002" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666002"  version="501" comment="Oracle Linux arch is aarch64" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:20267666001" />
<state state_ref="oval:com.oracle.elsa:ste:20267666003" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666003"  version="501" comment="libnghttp2 is earlier than 0:1.64.0-2.el10_1.1" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:20267666002" />
<state state_ref="oval:com.oracle.elsa:ste:20267666004" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666004"  version="501" comment="libnghttp2 is signed with the Oracle Linux 10 key" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:20267666002" />
<state state_ref="oval:com.oracle.elsa:ste:20267666001" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666005"  version="501" comment="libnghttp2-devel is earlier than 0:1.64.0-2.el10_1.1" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:20267666003" />
<state state_ref="oval:com.oracle.elsa:ste:20267666004" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666006"  version="501" comment="libnghttp2-devel is signed with the Oracle Linux 10 key" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:20267666003" />
<state state_ref="oval:com.oracle.elsa:ste:20267666001" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666007"  version="501" comment="nghttp2 is earlier than 0:1.64.0-2.el10_1.1" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:20267666004" />
<state state_ref="oval:com.oracle.elsa:ste:20267666004" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666008"  version="501" comment="nghttp2 is signed with the Oracle Linux 10 key" check="at least one" xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux">
<object object_ref="oval:com.oracle.elsa:obj:20267666004" />
<state state_ref="oval:com.oracle.elsa:ste:20267666001" />
</rpminfo_test>
<rpminfo_test id="oval:com.oracle.elsa:tst:20267666009"  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:20267666001" />
<state state_ref="oval:com.oracle.elsa:ste:20267666005" />
</rpminfo_test>

</tests>
<!--
 ~~~~~~~~~~~~~~~~~~~~   rpminfo objects   ~~~~~~~~~~~~~~~~~~~~ 
-->
<objects>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:20267666004" version="501">
<name>nghttp2</name>
</rpminfo_object>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:20267666003" version="501">
<name>libnghttp2-devel</name>
</rpminfo_object>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:20267666002" version="501">
<name>libnghttp2</name>
</rpminfo_object>
<rpminfo_object xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:obj:20267666001" 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:20267666001" version="501">
<signature_keyid operation="equals">bc4d06a08d8b756f</signature_keyid>
</rpminfo_state>
<rpminfo_state xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:ste:20267666002" version="501">
<version operation="pattern match">^10</version>
</rpminfo_state>
<rpminfo_state xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:ste:20267666003" version="501">
<arch operation="pattern match">aarch64</arch>
</rpminfo_state>
<rpminfo_state xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:ste:20267666004" version="501">
<evr datatype="evr_string" operation="less than">0:1.64.0-2.el10_1.1</evr>
</rpminfo_state>
<rpminfo_state xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" id="oval:com.oracle.elsa:ste:20267666005" version="501">
<arch operation="pattern match">x86_64</arch>
</rpminfo_state>

</states>
</oval_definitions>
