{"id":"CVE-2023-5156","summary":"Glibc: dos due to memory leak in getaddrinfo.c","details":"A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash.","modified":"2026-08-31T03:45:25.074765067Z","published":"2023-09-25T15:55:15.558Z","database_specific":{"cwe_ids":["CWE-401"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5156.json","cna_assigner":"redhat"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/10/03/4"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/10/03/5"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/10/03/6"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/10/03/8"},{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"WEB","url":"https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=ec6b95c3303c700eb89eebeda2d7264cc184a796"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-5156"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5156.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5156"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202402-01"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2240541"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=30884"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bminor/glibc","events":[{"introduced":"ae37d06c7d127817ba43850f0f898b793d42aea7"},{"fixed":"ef321e23c20eebc6d6fb4044425c00e6df27b05f"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.34"},{"fixed":"2.39"}]}}],"versions":["glibc-2.38","glibc-2.38.9000","glibc-2.37","glibc-2.37.9000","glibc-2.36","glibc-2.36.9000","glibc-2.35","glibc-2.35.9000","glibc-2.34","glibc-2.34.9000"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-5156.json"}},{"ranges":[{"type":"GIT","repo":"https://sourceware.org/git/glibc.git","events":[{"introduced":"ae37d06c7d127817ba43850f0f898b793d42aea7"},{"fixed":"ef321e23c20eebc6d6fb4044425c00e6df27b05f"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.34"},{"fixed":"2.39"}]}}],"versions":["glibc-2.38","glibc-2.38.9000","glibc-2.37","glibc-2.37.9000","glibc-2.36","glibc-2.36.9000","glibc-2.35","glibc-2.35.9000","glibc-2.34","glibc-2.34.9000"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-5156.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}