CVE-2025-9019
Description
A vulnerability has been found in tcpreplay 4.5.1. This vulnerability affects the function mask_cidr6 of the file cidr.c of the component tcpprep. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The researcher is able to reproduce this with the latest official release 4.5.1 and the current master branch. The code maintainer cannot reproduce this for 4.5.2-beta1. In his reply the maintainer explains that "[i]n that case, this is a duplicate that was fixed in 4.5.2."
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Fixed | 4.5.2-1 |
| forky | Fixed | 4.5.2-1 |
| bullseye | Affected | — |
| bookworm | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| broadcom | tcpreplay | 4.5.1 | |
References
- https://drive.google.com/file/d/13SQYVIb_YQoRfaJaaLf6iLtMiCRCHlBc/view?usp=sharing
- https://github.com/appneta/tcpreplay/issues/958
- https://github.com/appneta/tcpreplay/issues/958#issuecomment-3124876035
- https://github.com/appneta/tcpreplay/issues/959
- https://vuldb.com/?ctiid.320080
- https://vuldb.com/?id.320080
- https://vuldb.com/?submit.623635
- https://vuldb.com/?submit.623636
- https://vuldb.com/?submit.623637
- https://vuldb.com/?submit.623638
- https://vuldb.com/?submit.623639
- https://security-tracker.debian.org/tracker/CVE-2025-9019
CWEs
CWE-119 CWE-122 CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.