What is CVE-2026-30006?

CVE-2026-30006 is a medium-severity vulnerability in Xnview Nconvert, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-03-23.

How severe is CVE-2026-30006?

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

Buffer overflow in Xnview Nconvert

CVE-2026-30006

XnSoft NConvert 7.230 is vulnerable to Stack Buffer Overrun via a crafted .tiff file.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (5.4th 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

Xnview Nconvert — versions 7.230
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-30006?: CVE-2026-30006 is a medium-severity vulnerability in Xnview Nconvert, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-03-23.
How severe is CVE-2026-30006?: Medium severity. CVSS v3 base score is 6.2 out of 10.