<?xml version="1.0" encoding="UTF-8"?>
<cvrfdoc xmlns="http://www.icasi.org/CVRF/schema/cvrf/1.1" xmlns:cvrf="http://www.icasi.org/CVRF/schema/cvrf/1.1">
	<DocumentTitle xml:lang="en">An update for flatpak is now available for openEuler-20.03-LTS-SP4</DocumentTitle>
	<DocumentType>Security Advisory</DocumentType>
	<DocumentPublisher Type="Vendor">
		<ContactDetails>openeuler-security@openeuler.org</ContactDetails>
		<IssuingAuthority>openEuler security committee</IssuingAuthority>
	</DocumentPublisher>
	<DocumentTracking>
		<Identification>
			<ID>openEuler-SA-2026-3852</ID>
		</Identification>
		<Status>Final</Status>
		<Version>1.0</Version>
		<RevisionHistory>
			<Revision>
				<Number>1.0</Number>
				<Date>2026-09-14</Date>
				<Description>Initial</Description>
			</Revision>
		</RevisionHistory>
		<InitialReleaseDate>2026-09-14</InitialReleaseDate>
		<CurrentReleaseDate>2026-09-14</CurrentReleaseDate>
		<Generator>
			<Engine>openEuler SA Tool V1.0</Engine>
			<Date>2026-09-14</Date>
		</Generator>
	</DocumentTracking>
	<DocumentNotes>
		<Note Title="Synopsis" Type="General" Ordinal="1" xml:lang="en">flatpak security update</Note>
		<Note Title="Summary" Type="General" Ordinal="2" xml:lang="en">An update for flatpak is now available for openEuler-20.03-LTS-SP4</Note>
		<Note Title="Description" Type="General" Ordinal="3" xml:lang="en">flatpak is a system for building, distributing and running sandboxed desktop applications on Linux. See https://wiki.gnome.org/Projects/SandboxedApps for more information.

Security Fix(es):

A vulnerability, which was classified as very critical, has been found in Flatpak up to 1.10.7/1.12.7/1.14.3/1.15.3.Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Impacted is confidentiality, integrity, and availability.Upgrading to version 1.10.8, 1.12.8, 1.14.4 or 1.15.4 eliminates this vulnerability.(CVE-2023-28100)</Note>
		<Note Title="Topic" Type="General" Ordinal="4" xml:lang="en">An update for flatpak is now available for master/openEuler-20.03-LTS-SP4/openEuler-22.03-LTS-SP3/openEuler-24.03-LTS/openEuler-24.03-LTS-Next.

openEuler Security has rated this update as having a security impact of critical. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.</Note>
		<Note Title="Severity" Type="General" Ordinal="5" xml:lang="en">Critical</Note>
		<Note Title="Affected Component" Type="General" Ordinal="6" xml:lang="en">flatpak</Note>
	</DocumentNotes>
	<DocumentReferences>
		<Reference Type="Self">
			<URL>https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3852</URL>
		</Reference>
		<Reference Type="openEuler CVE">
			<URL>https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2023-28100</URL>
		</Reference>
		<Reference Type="Other">
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2023-28100</URL>
		</Reference>
	</DocumentReferences>
	<ProductTree xmlns="http://www.icasi.org/CVRF/schema/prod/1.1">
		<Branch Type="Product Name" Name="openEuler">
			<FullProductName ProductID="openEuler-20.03-LTS-SP4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">openEuler-20.03-LTS-SP4</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="noarch">
			<FullProductName ProductID="flatpak-help-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-help-1.0.3-15.oe2003sp4.noarch.rpm</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="aarch64">
			<FullProductName ProductID="flatpak-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-1.0.3-15.oe2003sp4.aarch64.rpm</FullProductName>
			<FullProductName ProductID="flatpak-debuginfo-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-debuginfo-1.0.3-15.oe2003sp4.aarch64.rpm</FullProductName>
			<FullProductName ProductID="flatpak-debugsource-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-debugsource-1.0.3-15.oe2003sp4.aarch64.rpm</FullProductName>
			<FullProductName ProductID="flatpak-devel-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-devel-1.0.3-15.oe2003sp4.aarch64.rpm</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="src">
			<FullProductName ProductID="flatpak-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-1.0.3-15.oe2003sp4.src.rpm</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="x86_64">
			<FullProductName ProductID="flatpak-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-1.0.3-15.oe2003sp4.x86_64.rpm</FullProductName>
			<FullProductName ProductID="flatpak-debuginfo-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-debuginfo-1.0.3-15.oe2003sp4.x86_64.rpm</FullProductName>
			<FullProductName ProductID="flatpak-debugsource-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-debugsource-1.0.3-15.oe2003sp4.x86_64.rpm</FullProductName>
			<FullProductName ProductID="flatpak-devel-1.0.3-15" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">flatpak-devel-1.0.3-15.oe2003sp4.x86_64.rpm</FullProductName>
		</Branch>
	</ProductTree>
	<Vulnerability Ordinal="1" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">A vulnerability, which was classified as very critical, has been found in Flatpak up to 1.10.7/1.12.7/1.14.3/1.15.3.Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Impacted is confidentiality, integrity, and availability.Upgrading to version 1.10.8, 1.12.8, 1.14.4 or 1.15.4 eliminates this vulnerability.</Note>
		</Notes>
		<ReleaseDate>2026-09-14</ReleaseDate>
		<CVE>CVE-2023-28100</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-20.03-LTS-SP4</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>Critical</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>10.0</BaseScore>
				<Vector>AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>flatpak security update</Description>
				<DATE>2026-09-14</DATE>
				<URL>https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3852</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
</cvrfdoc>