{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-4806", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-09-06T16:26:35.613Z", "datePublished": "2023-09-18T16:33:57.211Z", "dateUpdated": "2024-09-16T13:48:57.610Z" }, "containers": { "cna": { "title": "Glibc: potential use-after-free in getaddrinfo()", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "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. 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"cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::appstream" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "glibc", "defaultStatus": "affected", "versions": [ { "version": "0:2.34-60.el9_2.7", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::appstream" ] }, { "vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "glibc", "defaultStatus": "affected", "versions": [ { "version": "0:2.28-189.8.el8_6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_eus:8.6::crb", 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"https://access.redhat.com/downloads/content/package-browser/", "packageName": "glibc", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2023:5453", "name": "RHSA-2023:5453", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:5455", "name": "RHSA-2023:5455", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:7409", "name": "RHSA-2023:7409", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2023-4806", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2237782", "name": "RHBZ#2237782", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] } ], "datePublic": "2023-09-12T00:00:00+00:00", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-416", "description": "Use After Free", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-416: Use After Free", "timeline": [ { "lang": "en", "time": "2023-09-06T00:00:00+00:00", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2023-09-12T00:00:00+00:00", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "This issue was discovered by Siddhesh Poyarekar (Red Hat)." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2024-09-16T13:48:57.610Z" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:38:00.704Z" }, "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2023/10/03/4", "tags": [ "x_transferred" ] }, { "url": "http://www.openwall.com/lists/oss-security/2023/10/03/5", "tags": [ "x_transferred" ] }, { "url": "http://www.openwall.com/lists/oss-security/2023/10/03/6", "tags": [ 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