What is CVE-2026-29976?

CVE-2026-29976 is a medium-severity vulnerability in Zerbea Hcxtools, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-03-26.

How severe is CVE-2026-29976?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Zerbea Hcxtools

CVE-2026-29976

Buffer Overflow vulnerability in ZerBea hcxpcapngtool v. 7.0.1-43-g2ee308e allows a local attacker to obtain sensitive information via the getradiotapfield() function

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Zerbea Hcxtools — versions 7.0.1
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2026-29976?: CVE-2026-29976 is a medium-severity vulnerability in Zerbea Hcxtools, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-03-26.
How severe is CVE-2026-29976?: Medium severity. CVSS v3 base score is 6.2 out of 10.