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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
A flaw was found in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the _nss_*_gethostbyname2_r and _nss_*_getcanonname_r hooks without implementing the _nss_*_gethostbyname3_r hook. The resolved name should return a large number of IPv6 and IPv4, and the call to the getaddrinfo function should have the AF_INET6 address family with AI_CANONNAME, AI_ALL and AI_V4MAPPED as flags.
Metrics
NVD enrichment efforts reference publicly available information to associate
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OR
*cpe:2.3:a:redhat:codeready_linux_builder_eus:9.2:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:codeready_linux_builder_eus_for_power_little_endian:9.0_ppc64le:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:codeready_linux_builder_eus_for_power_little_endian_eus:9.2_ppc64le:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:9.0_aarch64:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:9.2_aarch64:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:codeready_linux_builder_for_i
Added
CPE Configuration
OR
*cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
Removed
CPE Configuration
OR
*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2023/10/03/4 No Types Assigned
http://www.openwall.com/lists/oss-security/2023/10/03/4 Mailing List
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2023/10/03/5 No Types Assigned
http://www.openwall.com/lists/oss-security/2023/10/03/5 Mailing List
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2023/10/03/6 No Types Assigned
http://www.openwall.com/lists/oss-security/2023/10/03/6 Mailing List
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2023/10/03/8 No Types Assigned
http://www.openwall.com/lists/oss-security/2023/10/03/8 Mailing List
Changed
Reference Type
https://access.redhat.com/errata/RHSA-2023:5453 No Types Assigned
https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
Changed
Reference Type
https://access.redhat.com/errata/RHSA-2023:5455 No Types Assigned
https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ Mailing List
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ Mailing List
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ Mailing List
Changed
Reference Type
https://security.gentoo.org/glsa/202310-03 No Types Assigned
https://security.gentoo.org/glsa/202310-03 Third Party Advisory
CVE Modified by Red Hat, Inc.10/05/2023 12:15:12 PM
OR
*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
https://access.redhat.com/security/cve/CVE-2023-4806 No Types Assigned
https://access.redhat.com/security/cve/CVE-2023-4806 Third Party Advisory
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=2237782 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=2237782 Issue Tracking, Third Party Advisory
Quick Info
CVE Dictionary Entry: CVE-2023-4806 NVD
Published Date: 09/18/2023 NVD
Last Modified: 11/21/2024
Source: Red Hat, Inc.
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