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CVE-2023-4527 Details

Description

A flaw was found in glibc. When the getaddrinfo function is called with the AF_UNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data, and may cause a crash.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cert-portal.siemens.com/productcert/html/ssa-082556.html	siemens-SADP
https://cert-portal.siemens.com/productcert/html/ssa-831302.html	siemens-SADP
https://access.redhat.com/errata/RHSA-2023:5453	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455	CVE	Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4527	CVE	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2234712	CVE	ExploitIssue TrackingThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/	CVE	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/	CVE	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/	CVE	Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202310-03	CVE	Third Party Advisory
https://security.netapp.com/advisory/ntap-20231116-0012/	CVE	Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/09/25/1	CVE	Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2023:5453	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455	[email protected]	Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4527	[email protected]	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2234712	[email protected]	ExploitIssue TrackingThird Party Advisory

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]
CWE-121	Stack-based Buffer Overflow	[email protected]

Affected Products

Product	Versions
gnu glibc	>= 2.36, < 2.36.113 >= 2.37, < 2.37.38 >= 2.38, < 2.38.19
CPE cpe:2.3:a:gnu:glibc:::::::: Remediation No remediation found in references.
redhat codeready linux builder eus	9.2
CPE cpe:2.3:a:redhat:codeready_linux_builder_eus:9.2:::::::* Remediation No remediation found in references.
redhat codeready linux builder eus for power little endian	9.0_ppc64le
CPE cpe:2.3:a:redhat:codeready_linux_builder_eus_for_power_little_endian:9.0_ppc64le:::::::* Remediation No remediation found in references.
redhat codeready linux builder eus for power little endian eus	9.2_ppc64le
CPE cpe:2.3:a:redhat:codeready_linux_builder_eus_for_power_little_endian_eus:9.2_ppc64le:::::::* Remediation No remediation found in references.
redhat codeready linux builder for arm64	9.0_aarch64
CPE cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:9.0_aarch64:::::::* Remediation No remediation found in references.
redhat codeready linux builder for arm64 eus	9.2_aarch64
CPE cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:9.2_aarch64:::::::* Remediation No remediation found in references.
redhat codeready linux builder for ibm z systems	9.0_s390x
CPE cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:9.0_s390x:::::::* Remediation No remediation found in references.
redhat codeready linux builder for ibm z systems eus	9.2_s390x
CPE cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:9.2_s390x:::::::* Remediation No remediation found in references.
redhat enterprise linux	8.0 9.0
CPE cpe:2.3:o:redhat:enterprise_linux:8.0:::::::* cpe:2.3:o:redhat:enterprise_linux:9.0:::::::* Remediation No remediation found in references.
redhat enterprise linux eus	8.8 9.2
CPE cpe:2.3:o:redhat:enterprise_linux_eus:8.8:::::::* cpe:2.3:o:redhat:enterprise_linux_eus:9.2:::::::* Remediation No remediation found in references.
redhat enterprise linux for arm 64	9.0_aarch64
CPE cpe:2.3:o:redhat:enterprise_linux_for_arm_64:9.0_aarch64:::::::* Remediation No remediation found in references.
redhat enterprise linux for arm 64 eus	9.2_aarch64
CPE cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:9.2_aarch64:::::::* Remediation No remediation found in references.
redhat enterprise linux for ibm z systems	8.0_s390x
CPE cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0_s390x:::::::* Remediation No remediation found in references.
redhat enterprise linux for ibm z systems eus	8.8_s390x
CPE cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.8_s390x:::::::* Remediation No remediation found in references.
redhat enterprise linux for ibm z systems eus s390x	9.2
CPE cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:9.2:::::::* Remediation No remediation found in references.
redhat enterprise linux for ibm z systems s390x	9.2
CPE cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_s390x:9.2:::::::* Remediation No remediation found in references.
redhat enterprise linux for power little endian	8.0_ppc64le 9.2_ppc64le
CPE cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0_ppc64le:::::::* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.2_ppc64le:::::::* Remediation No remediation found in references.
redhat enterprise linux for power little endian eus	8.8_ppc64le 9.2_ppc64le
CPE cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.8_ppc64le:::::::* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.2_ppc64le:::::::* Remediation No remediation found in references.
redhat enterprise linux server aus	9.2
CPE cpe:2.3:o:redhat:enterprise_linux_server_aus:9.2:::::::* Remediation No remediation found in references.
redhat enterprise linux server for power little endian update services for sap solutions	9.2_ppc64le
CPE cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.2_ppc64le:::::::* Remediation No remediation found in references.
redhat enterprise linux tus	8.8
CPE cpe:2.3:o:redhat:enterprise_linux_tus:8.8:::::::* Remediation No remediation found in references.
fedoraproject fedora	37 38 39
CPE cpe:2.3:o:fedoraproject:fedora:37:::::::* cpe:2.3:o:fedoraproject:fedora:38:::::::* cpe:2.3:o:fedoraproject:fedora:39:::::::* Remediation No remediation found in references.
netapp h300s firmware	All versions
CPE cpe:2.3:o:netapp:h300s_firmware:-:::::::* Remediation No remediation found in references.
netapp h300s	All versions
CPE cpe:2.3:h:netapp:h300s:-:::::::* Remediation No remediation found in references.
netapp h500s firmware	All versions
CPE cpe:2.3:o:netapp:h500s_firmware:-:::::::* Remediation No remediation found in references.
netapp h500s	All versions
CPE cpe:2.3:h:netapp:h500s:-:::::::* Remediation No remediation found in references.
netapp h700s firmware	All versions
CPE cpe:2.3:o:netapp:h700s_firmware:-:::::::* Remediation No remediation found in references.
netapp h700s	All versions
CPE cpe:2.3:h:netapp:h700s:-:::::::* Remediation No remediation found in references.
netapp h410s firmware	All versions
CPE cpe:2.3:o:netapp:h410s_firmware:-:::::::* Remediation No remediation found in references.
netapp h410s	All versions
CPE cpe:2.3:h:netapp:h410s:-:::::::* Remediation No remediation found in references.
netapp h410c firmware	All versions
CPE cpe:2.3:o:netapp:h410c_firmware:-:::::::* Remediation No remediation found in references.
netapp h410c	All versions
CPE cpe:2.3:h:netapp:h410c:-:::::::* Remediation No remediation found in references.

Change History

19 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	siemens-SADP
Jun 17, 2026	CVE Modified	CISA-ADP
May 12, 2026	CVE Modified	siemens-SADP
Jun 24, 2025	Modified Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
Sep 16, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Dec 28, 2023	Modified Analysis	[email protected]
Nov 16, 2023	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Oct 26, 2023	Modified Analysis	[email protected]
Oct 5, 2023	CVE Modified	[email protected]
Oct 4, 2023	CVE Modified	[email protected]
Oct 4, 2023	CVE Modified	[email protected]
Oct 4, 2023	CVE Modified	[email protected]
Sep 25, 2023	CVE Modified	[email protected]
Sep 22, 2023	Reanalysis	[email protected]
Sep 21, 2023	Initial Analysis	[email protected]

CVE-2023-4527 Details

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