Medium severity5.5NVD Advisory· Published Dec 21, 2023· Updated Jun 17, 2026
CVE-2023-4256
CVE-2023-4256
Description
Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.
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Affected products
9cpe:2.3:a:broadcom:tcpreplay:4.4.3:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:broadcom:tcpreplay:4.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:broadcom:tcpreplay:4.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
- Fedora/Extra Packages for Enterprise Linuxv5
Patches
Vulnerability mechanics
References
5- bugzilla.redhat.com/show_bug.cginvdExploitIssue TrackingThird Party Advisory
- github.com/appneta/tcpreplay/issues/813nvdExploitIssue TrackingThird Party Advisory
- lists.fedoraproject.org/archives/list/[email protected]/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/nvd
- lists.fedoraproject.org/archives/list/[email protected]/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/nvd
- lists.fedoraproject.org/archives/list/[email protected]/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/nvd
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