Critical · published January 8, 2020
⚠️ A puzzling out-of-bounds read could leave your symbols all jumbled up! If you're using libbsd before version 0.10.0, pay attention! Think of this like a librarian who misfiled a bunch of books. Instead of returning the correct title, that librarian accidentally hands you some random, unrelated tomes — that’s the risk of reading out of bounds! This vulnerability could lead to unexpected behavior or even crashes if your application attempts to access invalid memory locations. While this flaw is not currently exploited, it’s a sneaky little gremlin that could cause your system to act unpredictably, leaving you in a real bind.
Think of this like a librarian who misfiled a bunch of books. Instead of returning the correct title, that librarian accidentally hands you some random, unrelated tomes — that’s the risk of reading out of bounds! Specifically, nlist.c in libbsd before 0.10.0 permits out-of-bounds reading during the comparison of a symbol name from the string table (strtab), potentially causing erratic behavior in your application.
This vulnerability could lead to unexpected behavior or even crashes if your application attempts to access invalid memory locations. While this flaw is not currently exploited, it’s a sneaky little gremlin that could cause your system to act unpredictably, leaving you in a real bind. To safeguard your systems, upgrade to libbsd version 0.10.0 or later immediately. Additionally, review your code for any other potential out-of-bounds reads that could lead to vulnerabilities. Always test your applications after updates to ensure everything runs smoothly! You've got this! By taking these steps, you’re reinforcing your defenses like a superhero fortifying their base! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| freedesktop/libbsd | < 0.10.0 | 0.10.0 |
| debian/debian_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |
| opensuse/leap | all versions | — |