libuv before 0.10.34 does not properly drop group privileges, which allows context-dependent attackers to gain privileges via unspecified vectors.Referenceshttps://groups.google.com/forum/#%21msg/libuv/0JZxwLMtsMI/jraczskYWWQJhttp://www.mandriva.com/security/advisories?name=MDVSA-2015:228http://advisories.mageia.org/MGASA-2015-0186.htmlhttps://lists.fedoraproject.org/pipermail/package-announce/2015-February/150526.htmlhttps://github.com/libuv/libuv/pull/215https://github.com/libuv/libuv/commit/66ab38918c911bcff025562cf06237d7fedaba0chttps://security.gentoo.org/glsa/201611-10