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<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 firefox 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-2024-1563</ID>
		</Identification>
		<Status>Final</Status>
		<Version>1.0</Version>
		<RevisionHistory>
			<Revision>
				<Number>1.0</Number>
				<Date>2024-05-10</Date>
				<Description>Initial</Description>
			</Revision>
		</RevisionHistory>
		<InitialReleaseDate>2024-05-10</InitialReleaseDate>
		<CurrentReleaseDate>2024-05-10</CurrentReleaseDate>
		<Generator>
			<Engine>openEuler SA Tool V1.0</Engine>
			<Date>2024-05-10</Date>
		</Generator>
	</DocumentTracking>
	<DocumentNotes>
		<Note Title="Synopsis" Type="General" Ordinal="1" xml:lang="en">firefox security update</Note>
		<Note Title="Summary" Type="General" Ordinal="2" xml:lang="en">An update for firefox is now available for openEuler-20.03-LTS-SP4.</Note>
		<Note Title="Description" Type="General" Ordinal="3" xml:lang="en">Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability.

Security Fix(es):

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox &lt; 82.0.3, Firefox ESR &lt; 78.4.1, and Thunderbird &lt; 78.4.2.(CVE-2020-26950)</Note>
		<Note Title="Topic" Type="General" Ordinal="4" xml:lang="en">An update for firefox is now available for openEuler-20.03-LTS-SP4.

openEuler Security has rated this update as having a security impact of high. 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">High</Note>
		<Note Title="Affected Component" Type="General" Ordinal="6" xml:lang="en">firefox</Note>
	</DocumentNotes>
	<DocumentReferences>
		<Reference Type="Self">
			<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1563</URL>
		</Reference>
		<Reference Type="openEuler CVE">
			<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2020-26950</URL>
		</Reference>
		<Reference Type="Other">
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2020-26950</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="aarch64">
			<FullProductName ProductID="firefox-debuginfo-79.0-19" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">firefox-debuginfo-79.0-19.oe2003sp4.aarch64.rpm</FullProductName>
			<FullProductName ProductID="firefox-79.0-19" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">firefox-79.0-19.oe2003sp4.aarch64.rpm</FullProductName>
			<FullProductName ProductID="firefox-debugsource-79.0-19" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">firefox-debugsource-79.0-19.oe2003sp4.aarch64.rpm</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="src">
			<FullProductName ProductID="firefox-79.0-19" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">firefox-79.0-19.oe2003sp4.src.rpm</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="x86_64">
			<FullProductName ProductID="firefox-debugsource-79.0-19" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">firefox-debugsource-79.0-19.oe2003sp4.x86_64.rpm</FullProductName>
			<FullProductName ProductID="firefox-debuginfo-79.0-19" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">firefox-debuginfo-79.0-19.oe2003sp4.x86_64.rpm</FullProductName>
			<FullProductName ProductID="firefox-79.0-19" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">firefox-79.0-19.oe2003sp4.x86_64.rpm</FullProductName>
			<FullProductName ProductID="mozilla-crashreporter-firefox-debuginfo-79.0-19" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP4">mozilla-crashreporter-firefox-debuginfo-79.0-19.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">In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox &lt; 82.0.3, Firefox ESR &lt; 78.4.1, and Thunderbird &lt; 78.4.2.</Note>
		</Notes>
		<ReleaseDate>2024-05-10</ReleaseDate>
		<CVE>CVE-2020-26950</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-20.03-LTS-SP4</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>High</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>8.8</BaseScore>
				<Vector>AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>firefox security update</Description>
				<DATE>2024-05-10</DATE>
				<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1563</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
</cvrfdoc>