{"id":"CVE-2021-27419","details":"uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.","modified":"2026-03-15T22:39:55.376419Z","published":"2022-05-03T21:15:08.243Z","references":[{"type":"ADVISORY","url":"https://downloads.uclibc-ng.org/releases/"},{"type":"ADVISORY","url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wbx-github/uclibc-ng","events":[{"introduced":"0"},{"fixed":"ab1dd83bec59c9e65c31efd6e887182948f627be"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.0.37"}]}}],"versions":["v1.0.0","v1.0.1","v1.0.10","v1.0.11","v1.0.12","v1.0.13","v1.0.14","v1.0.15","v1.0.16","v1.0.17","v1.0.18","v1.0.19","v1.0.2","v1.0.20","v1.0.21","v1.0.22","v1.0.23","v1.0.24","v1.0.25","v1.0.26","v1.0.27","v1.0.28","v1.0.29","v1.0.30","v1.0.31","v1.0.32","v1.0.33","v1.0.34","v1.0.35","v1.0.36","v1.0.4","v1.0.5","v1.0.6","v1.0.7","v1.0.8","v1.0.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-27419.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}