Last Modified: Oct 19, 2025
Affected Product(s):
F5OS F5OS-A, F5OS-C
Known Affected Versions:
F5OS-A 1.8.0
Fixed In:
F5OS-A 1.8.3
Opened: Aug 05, 2025 Severity: 3-Major
Running tcpdump with complex or long BPF filter expressions may result in a crash with the error message: malloc(): corrupted top size
Packet capture operations fails and no data is collected. This may impact troubleshooting or monitoring activities that rely on tcpdump.
This issue occurs when tcpdump is invoked with a filter expression containing multiple conditions or a long filter string, especially when run via the system diagnostics
None
Tcpdump has been updated to reliably support complex and long filter expressions. The utility now validates filter input to prevent errors, ensuring stable and consistent packet capture operations