Log in Start free

Vulnerability · Published Aug 24, 2025 · Assigned by VulDB

CVE-2025-9385appneta tcpreplay tcprewrite edit_packet.c fix_ipv6_checksums use after free

Medium 5.3

In plain English

A medium-severity use-after-free in tcpreplay from appneta. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 83.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12tcpreplayno fix listedDEBIAN-CVE-2025-9385
Debian:13tcpreplayno fix listedDEBIAN-CVE-2025-9385
Debian:14tcpreplay4.5.2-1DEBIAN-CVE-2025-9385
Ubuntu:25.10tcpreplayno fix listedUBUNTU-CVE-2025-9385
Ubuntu:26.04:LTStcpreplayno fix listedUBUNTU-CVE-2025-9385
Ubuntu:26.10tcpreplayno fix listedUBUNTU-CVE-2025-9385

Affected products (as reported)

VendorProductVersions
appneta tcpreplay 4.5.04.5.1

Weakness: CWE-416, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References