Gentoo Linux Security Advisory 202007-15 - Multiple vulnerabilities have been found in Samba, the worst of which could result in a Denial of Service condition. Versions less than 4.11.11 are affected.
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Ubuntu Security Notice 4409-1 - Andrew Bartlett discovered that Samba incorrectly handled certain LDAP queries. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 19.10 and Ubuntu 20.04 LTS. Douglas Bagnall discovered that Samba incorrectly handled certain queries. A remote attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.
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