Description
A flaw has been found in appneta tcpreplay up to 4.5.1. The affected element is the function fix_ipv6_checksums of the file edit_packet.c of the component tcprewrite. This manipulation causes use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version 4.5.2-beta3 is sufficient to fix this issue. It is advisable to upgrade the affected component.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.321218
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.321218
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.630497
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/appneta/tcpreplay/issues/972
Issue Tracking issue-tracking
https://github.com/appneta/tcpreplay/issues/972#issuecomment-3199019278
Scores
CVSS v3
5.3
EPSS
0.0003
EPSS Percentile
10.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-416
Status
published
Products (1)
broadcom/tcpreplay
< 4.5.1
Published
Aug 24, 2025
Tracked Since
Feb 18, 2026