<?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 glib2 is now available for openEuler-20.03-LTS</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-2021-1106</ID>
		</Identification>
		<Status>Final</Status>
		<Version>1.0</Version>
		<RevisionHistory>
			<Revision>
				<Number>1.0</Number>
				<Date>2021-04-07</Date>
				<Description>Initial</Description>
			</Revision>
		</RevisionHistory>
		<InitialReleaseDate>2021-04-07</InitialReleaseDate>
		<CurrentReleaseDate>2021-04-07</CurrentReleaseDate>
		<Generator>
			<Engine>openEuler SA Tool V1.0</Engine>
			<Date>2021-04-07</Date>
		</Generator>
	</DocumentTracking>
	<DocumentNotes>
		<Note Title="Synopsis" Type="General" Ordinal="1" xml:lang="en">glib2 security update</Note>
		<Note Title="Summary" Type="General" Ordinal="2" xml:lang="en">An update for glib2 is now available for openEuler-20.03-LTS.</Note>
		<Note Title="Description" Type="General" Ordinal="3" xml:lang="en">GLib is a bundle of three (formerly five) low-level system libraries written in C and developed mainly by GNOME. GLib&apos;s code was separated from GTK, so it can be used by software other than GNOME and has been developed in parallel ever since.

Security Fix(es):

An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.(CVE-2021-27218)

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.(CVE-2021-27219)

** DISPUTED ** GNOME GLib before 2.65.3 has an integer overflow, that might lead to an out-of-bounds write, in g_option_group_add_entries. NOTE: the vendor's position is "Realistically this is not a security issue. The standard pattern is for callers to provide a static list of option entries in a fixed number of calls to g_option_group_add_entries()." The researcher states that this pattern is undocumented.(CVE-2020-35457)</Note>
		<Note Title="Topic" Type="General" Ordinal="4" xml:lang="en">An update for glib2 is now available for openEuler-20.03-LTS.

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">glib2</Note>
	</DocumentNotes>
	<DocumentReferences>
		<Reference Type="Self">
			<URL>https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1106</URL>
		</Reference>
		<Reference Type="openEuler CVE">
			<URL>https://openeuler.org/en/security/cve/detail.html?id=CVE-2021-27218</URL>
			<URL>https://openeuler.org/en/security/cve/detail.html?id=CVE-2021-27219</URL>
			<URL>https://openeuler.org/en/security/cve/detail.html?id=CVE-2020-35457</URL>
		</Reference>
		<Reference Type="Other">
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2021-27218</URL>
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2021-27219</URL>
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2020-35457</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" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">openEuler-20.03-LTS</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="aarch64">
			<FullProductName ProductID="glib2-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-2.62.5-4.oe1.aarch64.rpm</FullProductName>
			<FullProductName ProductID="glib2-debuginfo-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-debuginfo-2.62.5-4.oe1.aarch64.rpm</FullProductName>
			<FullProductName ProductID="glib2-debugsource-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-debugsource-2.62.5-4.oe1.aarch64.rpm</FullProductName>
			<FullProductName ProductID="glib2-devel-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-devel-2.62.5-4.oe1.aarch64.rpm</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="noarch">
			<FullProductName ProductID="glib2-help-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-help-2.62.5-4.oe1.noarch.rpm</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="src">
			<FullProductName ProductID="glib2-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-2.62.5-4.oe1.src.rpm</FullProductName>
		</Branch>
		<Branch Type="Package Arch" Name="x86_64">
			<FullProductName ProductID="glib2-debugsource-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-debugsource-2.62.5-4.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="glib2-debuginfo-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-debuginfo-2.62.5-4.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="glib2-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-2.62.5-4.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="glib2-devel-2.62.5-4" CPE="cpe:/a:openEuler:openEuler:20.03-LTS">glib2-devel-2.62.5-4.oe1.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">An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.</Note>
		</Notes>
		<ReleaseDate>2021-04-07</ReleaseDate>
		<CVE>CVE-2021-27218</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-20.03-LTS</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>High</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>7.5</BaseScore>
				<Vector>AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>glib2 security update</Description>
				<DATE>2021-04-07</DATE>
				<URL>https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1106</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
	<Vulnerability Ordinal="2" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="2" xml:lang="en">An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.</Note>
		</Notes>
		<ReleaseDate>2021-04-07</ReleaseDate>
		<CVE>CVE-2021-27219</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-20.03-LTS</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>High</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>7.5</BaseScore>
				<Vector>AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>glib2 security update</Description>
				<DATE>2021-04-07</DATE>
				<URL>https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1106</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
	<Vulnerability Ordinal="3" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="3" xml:lang="en">** DISPUTED ** GNOME GLib before 2.65.3 has an integer overflow, that might lead to an out-of-bounds write, in g_option_group_add_entries. NOTE: the vendor's position is "Realistically this is not a security issue. The standard pattern is for callers to provide a static list of option entries in a fixed number of calls to g_option_group_add_entries()." The researcher states that this pattern is undocumented.</Note>
		</Notes>
		<ReleaseDate>2021-04-07</ReleaseDate>
		<CVE>CVE-2020-35457</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-20.03-LTS</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>High</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>7.8</BaseScore>
				<Vector>AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>glib2 security update</Description>
				<DATE>2021-04-07</DATE>
				<URL>https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1106</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
</cvrfdoc>
