CVE catalog
CVE-2018-18407
tcpreplay: CVE-2018-18407
- Severity
- Medium · CVSS 5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.24% · Oct 27, 2026
A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1, during the incremental checksum operation. The issue gets triggered in the function csum_replace4() in incremental_checksum.h, causing a denial of service.
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 | fixed |
| Debian | tcpreplay | bookworm | 4.4.3-1 | fixed |
| Ubuntu | tcpreplay | pro | 4.2.6-1 | vulnerable |
| Ubuntu | tcpreplay | pro | 4.2.6-1ubuntu0.1~esm1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tcpreplay | source | sid | 4.3.1-1 | not yet assigned | Not reported | [911454] |
| Debian | tcpreplay | source | forky | 4.3.1-1 | not yet assigned | Not reported | [911454] |
| Debian | tcpreplay | source | trixie | 4.3.1-1 | not yet assigned | Not reported | [911454] |
| Debian | tcpreplay | source | bookworm | 4.3.1-1 | not yet assigned | Not reported | [911454] |
| Ubuntu | tcpreplay | deb | pro | 4.2.6-1ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2018-18407 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [tcpreplay]Fixed
Details (2)
4.4.3-1· amd64 · bookwormFixed · Fixed:
4.3.1-1dsa · tcpreplay · debian · bookworm; dsa · tcpreplay · debian · 12
4.4.3-1· arm64 · bookwormFixed · Fixed:
4.3.1-1dsa · tcpreplay · debian · bookworm; dsa · tcpreplay · debian · 12
[Debian 13 (Trixie)]
- [tcpreplay]Fixed
Details (2)
4.5.1-1· amd64 · trixieFixed · Fixed:
4.3.1-1dsa · tcpreplay · debian · 13
4.5.1-1· arm64 · trixieFixed · Fixed:
4.3.1-1dsa · tcpreplay · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_11426-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-18407]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-18407]
- [https://security-tracker.debian.org/tracker/CVE-2018-18407]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-18407.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]