USN-5260-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
Orange Tsai discovered that the Samba vfs_fruit module incorrectly handled certain memory operations. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code as root. (CVE-2021-44142)
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{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libwbclient-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-libs": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "registry-tools": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-common-bin": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libwbclient0-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-dsdb-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libpam-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libnss-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-vfs-modules": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-common-bin-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-testsuite": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "smbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libsmbclient": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libsmbclient-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libwbclient0": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libparse-pidl-perl-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-dsdb-modules": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "registry-tools-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-vfs-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "python-samba": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "ctdb": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libsmbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libnss-winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libsmbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-libs-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-dbg": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-testsuite-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-common": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libpam-winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "smbclient": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libwbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "samba-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "libparse-pidl-perl": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1", "ctdb-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1" } ] }