Description
A vulnerability was found in appneta tcpreplay up to 4.4.4. It has been classified as problematic. This affects the function get_layer4_v6 of the file /tcpreplay/src/common/get.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The identifier VDB-258333 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| appneta | tcpreplay | 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tcpreplay | No fix yet | — |
| Debian 13 | tcpreplay | No fix yet | — |
| Debian 12 | tcpreplay | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | tcpreplay | 4.5.2-bp160.1.1 | openSUSE-SU-2025:20119-1 |
Advisories 1
- openSUSE-SU-2025:20119-1 Security update for tcpreplay SUSE / openSUSE Security Updates · Mar 23, 2026
References
- VDB-258333 | appneta tcpreplay get.c get_layer4_v6 heap-based overflow vdb-entry technical-description exploit
- VDB-258333 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #297866 | appneta tcpreplay 4.4.4 (latest) heap-buffer-overflow third-party-advisory
- https://docs.google.com/document/d/1wCIrViAJwGsO5afPBLLjRhO5RClsoUo3J9q1psLs84s/edit?usp=sharing related
- https://drive.google.com/file/d/1zV9MSkfYLIrdtK3yczy1qbsJr_yN2fwH/view broken-link exploit