The unsetenv function in glibc 2.1.1 does not properly unset an environmental variable if the variable is provided twice to a program, which could allow local users to execute arbitrary commands in setuid programs by specifying their own duplicate environmental variables such as LD_PRELOAD or LD_LIBRARY_PATH.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | < 3e7c7df6991ac349f2fa8540047757df666e610f |