{"id":"ALPINE-CVE-2021-44142","details":"The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide \"...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver.\" Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A remote attacker with write access to extended file attributes can execute arbitrary code with the privileges of smbd, typically root.","modified":"2025-11-19T06:19:14.329603Z","published":"2022-02-21T15:15:07.380Z","upstream":["CVE-2021-44142"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-44142"}],"affected":[{"package":{"name":"samba","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/samba?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.17-r0"}]}],"versions":["3.2.10-r0","3.2.11-r0","3.2.11-r1","3.2.8-r0","3.2.8-r1","3.3.4-r0","3.3.5-r0","3.3.5-r1","3.3.5-r2","3.3.6-r0","3.3.7-r0","3.3.7-r1","3.3.7-r2","3.3.7-r3","3.3.7-r4","3.3.8-r0","3.4.3-r0","3.4.3-r1","3.4.4-r0","3.4.5-r0","3.4.5-r1","3.4.7-r0","3.4.7-r1","3.5.10-r0","3.5.11-r0","3.5.2-r0","3.5.3-r0","3.5.4-r0","3.5.4-r1","3.5.5-r0","3.5.6-r0","3.5.6-r1","3.5.6-r2","3.5.6-r3","3.5.6-r4","3.5.7-r0","3.5.8-r0","3.5.9-r0","3.5.9-r1","3.6.1-r0","3.6.1-r1","3.6.1-r2","3.6.10-r0","3.6.11-r0","3.6.12-r0","3.6.13-r0","3.6.13-r1","3.6.15-r0","3.6.16-r0","3.6.19-r0","3.6.19-r1","3.6.2-r0","3.6.3-r0","3.6.4-r0","3.6.4-r1","3.6.5-r0","3.6.6-r0","3.6.7-r0","3.6.7-r1","3.6.8-r0","3.6.8-r1","3.6.9-r0","4.1.0-r1","4.1.0-r2","4.1.1-r0","4.1.10-r0","4.1.11-r0","4.1.12-r0","4.1.13-r0","4.1.14-r0","4.1.14-r1","4.1.15-r0","4.1.16-r0","4.1.17-r0","4.1.2-r0","4.1.3-r0","4.1.3-r1","4.1.3-r2","4.1.4-r0","4.1.5-r0","4.1.5-r1","4.1.6-r0","4.1.7-r0","4.1.8-r0","4.1.9-r0","4.10.2-r0","4.10.3-r0","4.10.4-r0","4.10.4-r1","4.10.5-r0","4.10.6-r0","4.10.8-r0","4.10.8-r1","4.11.1-r0","4.11.2-r0","4.11.2-r1","4.11.2-r2","4.11.3-r0","4.11.4-r0","4.11.4-r1","4.11.5-r0","4.11.6-r0","4.12.0-r0","4.12.1-r0","4.12.2-r0","4.12.2-r1","4.12.2-r2","4.12.5-r0","4.12.6-r0","4.12.7-r0","4.12.8-r0","4.12.9-r0","4.13.2-r0","4.13.2-r1","4.13.3-r0","4.13.3-r1","4.13.7-r0","4.13.8-r0","4.2.0-r0","4.2.0-r1","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.3-r0","4.2.3-r1","4.2.3-r2","4.2.3-r3","4.2.7-r0","4.2.9-r0","4.2.9-r1","4.4.2-r0","4.4.2-r1","4.4.3-r0","4.4.4-r0","4.4.5-r0","4.4.5-r1","4.5.1-r0","4.5.3-r0","4.5.3-r1","4.5.4-r0","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.1-r2","4.6.4-r0","4.6.5-r0","4.6.6-r0","4.6.6-r1","4.7.0-r0","4.7.0-r1","4.7.0-r2","4.7.1-r0","4.7.2-r0","4.7.3-r0","4.7.4-r0","4.7.6-r0","4.8.0-r0","4.8.1-r0","4.8.11-r0","4.8.11-r1","4.8.2-r0","4.8.2-r1","4.8.4-r0","4.8.4-r1","4.8.5-r0","4.8.7-r0","4.8.8-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-44142.json"}},{"package":{"name":"samba","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/samba?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.12-r0"}]}],"versions":["3.2.10-r0","3.2.11-r0","3.2.11-r1","3.2.8-r0","3.2.8-r1","3.3.4-r0","3.3.5-r0","3.3.5-r1","3.3.5-r2","3.3.6-r0","3.3.7-r0","3.3.7-r1","3.3.7-r2","3.3.7-r3","3.3.7-r4","3.3.8-r0","3.4.3-r0","3.4.3-r1","3.4.4-r0","3.4.5-r0","3.4.5-r1","3.4.7-r0","3.4.7-r1","3.5.10-r0","3.5.11-r0","3.5.2-r0","3.5.3-r0","3.5.4-r0","3.5.4-r1","3.5.5-r0","3.5.6-r0","3.5.6-r1","3.5.6-r2","3.5.6-r3","3.5.6-r4","3.5.7-r0","3.5.8-r0","3.5.9-r0","3.5.9-r1","3.6.1-r0","3.6.1-r1","3.6.1-r2","3.6.10-r0","3.6.11-r0","3.6.12-r0","3.6.13-r0","3.6.13-r1","3.6.15-r0","3.6.16-r0","3.6.19-r0","3.6.19-r1","3.6.2-r0","3.6.3-r0","3.6.4-r0","3.6.4-r1","3.6.5-r0","3.6.6-r0","3.6.7-r0","3.6.7-r1","3.6.8-r0","3.6.8-r1","3.6.9-r0","4.1.0-r1","4.1.0-r2","4.1.1-r0","4.1.10-r0","4.1.11-r0","4.1.12-r0","4.1.13-r0","4.1.14-r0","4.1.14-r1","4.1.15-r0","4.1.16-r0","4.1.17-r0","4.1.2-r0","4.1.3-r0","4.1.3-r1","4.1.3-r2","4.1.4-r0","4.1.5-r0","4.1.5-r1","4.1.6-r0","4.1.7-r0","4.1.8-r0","4.1.9-r0","4.10.2-r0","4.10.3-r0","4.10.4-r0","4.10.4-r1","4.10.5-r0","4.10.6-r0","4.10.8-r0","4.10.8-r1","4.11.1-r0","4.11.2-r0","4.11.2-r1","4.11.2-r2","4.11.3-r0","4.11.4-r0","4.11.4-r1","4.11.5-r0","4.11.6-r0","4.12.0-r0","4.12.1-r0","4.12.2-r0","4.12.2-r1","4.12.2-r2","4.12.5-r0","4.12.6-r0","4.12.7-r0","4.12.8-r0","4.12.9-r0","4.13.2-r0","4.13.2-r1","4.13.3-r0","4.13.3-r1","4.13.3-r2","4.13.5-r0","4.14.2-r0","4.14.2-r1","4.14.4-r0","4.14.5-r0","4.14.8-r0","4.2.0-r0","4.2.0-r1","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.3-r0","4.2.3-r1","4.2.3-r2","4.2.3-r3","4.2.7-r0","4.2.9-r0","4.2.9-r1","4.4.2-r0","4.4.2-r1","4.4.3-r0","4.4.4-r0","4.4.5-r0","4.4.5-r1","4.5.1-r0","4.5.3-r0","4.5.3-r1","4.5.4-r0","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.1-r2","4.6.4-r0","4.6.5-r0","4.6.6-r0","4.6.6-r1","4.7.0-r0","4.7.0-r1","4.7.0-r2","4.7.1-r0","4.7.2-r0","4.7.3-r0","4.7.4-r0","4.7.6-r0","4.8.0-r0","4.8.1-r0","4.8.11-r0","4.8.11-r1","4.8.2-r0","4.8.2-r1","4.8.4-r0","4.8.4-r1","4.8.5-r0","4.8.7-r0","4.8.8-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-44142.json"}},{"package":{"name":"samba","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/samba?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.12-r0"}]}],"versions":["3.2.10-r0","3.2.11-r0","3.2.11-r1","3.2.8-r0","3.2.8-r1"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