| Package | Affected versions | Patched versions |
|---|---|---|
| glibc | < 2.3.5 | 2.3.5 |
The getgrouplist function in the GNU C library (glibc) before version 2.3.5, when invoked with a zero argument, writes to the passed pointer even if the specified array size is zero, leading to a buffer overflow and potentially allowing attackers to corrupt memory.
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