A buffer-overflow vulnerability uncovered Tuesday in the GNU C Library poses a serious threat to countless Linux users.
Dating back to the release of glibc 2.9 in 2008, CVE-2015-7547 is a stack-based buffer overflow bug in the glibc DNS client-side resolver that opens the door to remote code execution when a particular library function is used. Software using the function can be exploited with attacker-controlled domain names, attacker-controlled DNS servers or man-in-the-middle attacks.
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