{"id":"CVE-2022-39046","details":"An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.","modified":"2026-08-28T11:45:45.683355740Z","published":"2022-08-31T00:00:00Z","related":["CGA-266f-8f55-cmm4","openSUSE-SU-2024:12316-1"],"database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39046.json"},"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39046.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39046"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202310-03"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20221104-0002/"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=29536"},{"type":"ARTICLE","url":"http://seclists.org/fulldisclosure/2024/Feb/3"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2024/01/30/6"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2024/01/30/8"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bminor/glibc","events":[{"introduced":"c804cd1c00adde061ca51711f63068c103e94eef"},{"last_affected":"c804cd1c00adde061ca51711f63068c103e94eef"}],"database_specific":{"extracted_events":[{"introduced":"2.36"},{"last_affected":"2.36"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:gnu:glibc:2.36:*:*:*:*:*:*:*"}}],"versions":["2.36","glibc-2.36"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-39046.json"}},{"ranges":[{"type":"GIT","repo":"https://sourceware.org/git/glibc.git","events":[{"introduced":"c804cd1c00adde061ca51711f63068c103e94eef"},{"last_affected":"c804cd1c00adde061ca51711f63068c103e94eef"}],"database_specific":{"cpe":"cpe:2.3:a:gnu:glibc:2.36:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.36"},{"last_affected":"2.36"}],"source":"CPE_STRING"}}],"versions":["2.36","glibc-2.36"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-39046.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N"}]}