CVE-2023-43279

Null Pointer Dereference in mask_cidr6 component at cidr.c in Tcpreplay 4.4.4 allows attackers to crash the application via crafted tcprewrite command.

CVSS v3.1 CNA

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.67% chance of exploitation in the next 30 days, 51st percentile

Published

2024-03-12

Updated

2025-11-04

Proof-of-concept exploits (1)

• appneta/tcpreplay/issues/8241353★ · 2026-08-15

References

• CVE Record
• NVD entry

Related

• CVE-2017-6429
• CVE-2018-13112
• CVE-2018-17580
• CVE-2018-17582
• CVE-2018-17974
• CVE-2018-18407