CVE catalog
CVE-2023-27784
Tcpreplay vulnerabilities
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.47% · Oct 27, 2026
An issue found in TCPReplay v.4.4.3 allows a remote attacker to cause a denial of service via the read_hexstring function at the utils.c:309 endpoint.
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 | vulnerable |
| Ubuntu | tcpreplay | noble | Not reported | vulnerable |
| Ubuntu | tcpreplay | noble | 4.4.4-1ubuntu0.1~esm1 | fixed |
| Ubuntu | tcpreplay | pro | 4.3.3-2 | vulnerable |
| Ubuntu | tcpreplay | pro | 4.3.4-1 | vulnerable |
| Ubuntu | tcpreplay | pro | 4.3.4-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | tcpreplay | pro | 4.3.4-1ubuntu0.1~esm2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tcpreplay | source | sid | 4.4.4-1 | unimportant | Not reported | Not reported |
| Debian | tcpreplay | source | forky | 4.4.4-1 | unimportant | Not reported | Not reported |
| Debian | tcpreplay | source | trixie | 4.4.4-1 | unimportant | Not reported | Not reported |
| Debian | tcpreplay | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
| Ubuntu | tcpreplay | deb | noble | 4.4.4-1ubuntu0.1~esm1 | Not reported | Not reported | Not reported |
| Ubuntu | tcpreplay | deb | pro | 4.3.4-1ubuntu0.1~esm2 | Not reported | UBUNTU-CVE-2023-27784 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [tcpreplay]Affected
Details (2)
4.4.3-1· amd64 · bookwormAffected
usn · tcpreplay · debian · bookworm; usn · tcpreplay · debian · 12
4.4.3-1· arm64 · bookwormAffected
usn · tcpreplay · debian · bookworm; usn · tcpreplay · debian · 12
[Debian 13 (Trixie)]
- [tcpreplay]Fixed
Details (2)
4.5.1-1· amd64 · trixieFixed · Fixed:
4.4.4-1usn · tcpreplay · debian · 13
4.5.1-1· arm64 · trixieFixed · Fixed:
4.4.4-1usn · tcpreplay · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-27784]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-27784]
- [https://security-tracker.debian.org/tracker/CVE-2023-27784]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-27784.json]
- [https://ubuntu.com/security/notices/USN-7231-1]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [Ubuntu Security Notices (USN)]