CVE catalog
CVE-2025-9019
tcpreplay: CVE-2025-9019
- Severity
- Low · CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.09% · Oct 25, 2026
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."
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | tcpreplay | sid | 4.5.4-1 | fixed |
| Debian | tcpreplay | forky | 4.5.4-1 | fixed |
| Debian | tcpreplay | trixie | 4.5.1-1 | vulnerable |
| Debian | tcpreplay | bookworm | 4.4.3-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tcpreplay | source | sid | 4.5.2-1 | not yet assigned | Not reported | [1111316] |
| Debian | tcpreplay | source | forky | 4.5.2-1 | not yet assigned | Not reported | [1111316] |
| Debian | tcpreplay | source | trixie | (unfixed) | not yet assigned | Not reported | [1111316] |
| Debian | tcpreplay | source | bookworm | (unfixed) | not yet assigned | Not reported | [1111316] |
Notes
[trixie] tcpreplay: Minor issue [bookworm] tcpreplay: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [tcpreplay]Affected
Details (2)
4.4.3-1· amd64 · bookwormAffected
dsa · tcpreplay · debian · bookworm; dsa · tcpreplay · debian · 12
4.4.3-1· arm64 · bookwormAffected
dsa · tcpreplay · debian · bookworm; dsa · tcpreplay · debian · 12
[Debian 13 (Trixie)]
- [tcpreplay]Affected
Details (2)
4.5.1-1· amd64 · trixieAffected
dsa · tcpreplay · debian · 13
4.5.1-1· arm64 · trixieAffected
dsa · tcpreplay · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-9019]
- [https://security-tracker.debian.org/tracker/CVE-2025-9019]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-9019.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]