An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.
The product writes sensitive information to a log file.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Glibc | Gnu | 2.36 (including) | 2.36 (including) |
| Eglibc | Ubuntu | trusty | * |
| Glibc | Ubuntu | upstream | * |
| Glibc | Ubuntu | xenial | * |