Tcpreplay v4.4.1 has a heap-based buffer overflow in do_checksum_math at /tcpedit/checksum.c.
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Tcpreplay v4.4.1 has a heap-based buffer overflow in do_checksum_math at /tcpedit/checksum.c.
Why it matters now
EPSS 0.00863 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-27418
- 2026-10-03 Alias added: GHSA-rvmq-8368-r4jp
References
Advisory 1
More Broadcom Tcpreplay vulnerabilities
- TI-2024-15099 tcpreplay v4.4.4 was discovered to contain an infinite loop via the tcprewrite function at get.c. CVSS 3.1HIGH 7.5
- TI-2025-32293 Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the… CVSS 3.1HIGH 7.8
- TI-2023-12413 An issue found in TCPreplay tcprewrite v.4.4.3 allows a remote attacker to cause a denial… CVSS 3.1HIGH 7.5
- TI-2024-02831 appneta tcpreplay get.c get_layer4_v6 heap-based overflow CVSS 3.1HIGH 7.8
- TI-2025-32292 A heap-buffer-overflow vulnerability exists in the tcpliveplay utility of the… CVSS 3.1HIGH 7.5
- TI-2023-12419 An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service… CVSS 3.1HIGH 7.5
Sources
- CVE-2022-27418 · CVE Program
- CVE-2022-27418 · NVD
- FIRST EPSS
- GHSA-rvmq-8368-r4jp · GitHub Advisory Database · CC BY 4.0
- CVE-2022-27418 · Red Hat security data · CC BY 4.0
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