tcpreplay v4.4.4 was discovered to contain an infinite loop via the tcprewrite function at get.c.

published 2025-05-29 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-20187

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

Patch / fix

distros 2

debian opensuse

tcpreplay Debian 14, Debian 13 4.5.1-1

debian advisories DEBIAN-CVE-2024-22654

tcpreplay openSUSE Leap 16.0 4.5.2-bp160.1.1

opensuse advisories openSUSE-SU-2025:20119-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-22654 updated 2025-11-21 cvss 7.5

tcpreplay: Infinite loop in tcpreplay with malformed ipv6 headers

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 17 mo ago (2025-05-30)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/appneta/tcpreplay/issues/827 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-835 Loop with Unreachable Exit Condition

References

github.com /appneta/tcpreplay/issues/827
exploit, issue-tracking
gist.github.com /TimChan2001/4f25915b9952e8e3453db5cf72185b88
third-party-advisory

Sources

CVE List CVE-2024-22654
NVD CVE-2024-22654

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary