Bug 2391777 (CVE-2025-9649)

Summary: CVE-2025-9649 tcpreplay: appneta tcpreplay send_packets.c calc_sleep_time divide by zero
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in tcpreplay. A division-by-zero issue can be triggered when processing malformed Packets Per Second (PPS) parameters, particularly with extremely small packet rate values, which causes a floating-point exception and results in a denial of service.
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Description OSIDB Bzimport 2025-08-29 14:01:19 UTC 
A security vulnerability has been detected in appneta tcpreplay 4.5.1. Impacted is the function calc_sleep_time of the file send_packets.c. Such manipulation leads to divide by zero. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 4.5.3-beta3 is recommended to address this issue. It is advisable to upgrade the affected component. The vendor confirms in a GitHub issue reply: "Was able to reproduce in 6fcbf03 but NOT 4.5.3-beta3."