{"id":"CVE-2021-3998","revision":"a969d0a32fc043619c24f86dc2ca5486","records":[{"revision":"a969d0a32fc043619c24f86dc2ca5486","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-3998","aliases":[],"title":"A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.","description":"A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.","state":0,"publishedAt":"2022-08-24T00:00:00+00:00","modifiedAt":"2026-10-14T09:54:24.028+00:00","affected":[{"ecosystem":"Vendor product","name":"glibc","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"glibc\",\n                    \"versions\": [\n                        {\n                            \"version\": \"Affects glibc v2.33 and above.\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://www.openwall.com/lists/oss-security/2022/01/24/4","https://sourceware.org/bugzilla/show_bug.cgi?id=28770","https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687bc907e10aec9bb","https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4d7d136db471f03","https://bugzilla.redhat.com/show_bug.cgi?id=2024633","https://access.redhat.com/security/cve/CVE-2021-3998","https://security-tracker.debian.org/tracker/CVE-2021-3998","https://security.netapp.com/advisory/ntap-20221020-0003/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-3998","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-3998","identifiers":["CVE-2021-3998"]},"retained":false,"historicalAffected":[]}],"coverage":[]}