A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1, during the incremental checksum operation. The issue gets triggered in the function csumreplace4() in incrementalchecksum.h, causing a denial of service.
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "3.4.4-2+deb8u1ubuntu0.1~esm1", "binary_name": "tcpreplay" }, { "binary_version": "3.4.4-2+deb8u1ubuntu0.1~esm1", "binary_name": "tcpreplay-dbgsym" } ] }