CVE-2026-77641

tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUXSWITCH cell fails. The return value of relaysendcommandfromedge was ignored, so a send failure which calls circuitmarkforclose and removes the leg via cfxdelleg would go undetected, causing the caller to write to the...

PT-2026-79151

tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUX SWITCH cell fails. The return value of relay send command from edge was ignored, so a send failure which calls circuit mark for close and removes the leg via cfx del leg would go undetected, causing the caller to write...