CVE-2009-5064: GNU Glibc

Medium severity, CVSS 6.9. EPSS: 0.5% chance of exploitation in the next 30 days.

ldd in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows local users to gain privileges via a Trojan horse executable file linked with a modified loader that omits certain LD_TRACE_LOADED_OBJECTS checks. NOTE: the GNU C Library vendor states "This is just nonsense. There are a gazillion other ways to introduce code if people are downloading arbitrary binaries and install them in appropriate directories or set LD_LIBRARY_PATH etc.

Affected products

• GNU Glibc: up to and including 2.1.3; version 1.00 only; version 1.01 only; version 1.02 only; version 1.03 only; version 1.04 only; …

Published 2011-03-30. Last modified 2026-06-16.