Ubuntu Security Notice 3738-1 - Svyatoslav Phirsov discovered that the Samba libsmbclient library incorrectly handled extra long filenames. A malicious server could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code. Volker Mauel discovered that Samba incorrectly handled database output. When used as an Active Directory Domain Controller, a remote authenticated attacker could use this issue to cause Samba to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. Various other issues were also addressed.
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Debian Linux Security Advisory 4271-1 - Several vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix.
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Ubuntu Security Notice 3731-2 - USN-3731-1 fixed a vulnerability in LFTP. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that LFTP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.
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Slackware Security Advisory - New lftp packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix a security issue.
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Red Hat Security Advisory 2018-1318-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service and use-after-free vulnerabilities.
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