What is CVE-2021-41456?

CVE-2021-41456 is a high-severity vulnerability in Gpac Mp4box, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-10-01.

How severe is CVE-2021-41456?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Gpac Mp4box

CVE-2021-41456

There is a stack buffer overflow in MP4Box v1.0.1 at src/filters/dmx_nhml.c:1004 in the nhmldmx_send_sample() function szXmlTo parameter which leads to a denial of service vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (66.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Gpac Mp4box — versions 1.0.1
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
cve@mitre.org (vendor-advisory)

Frequently asked questions

What is CVE-2021-41456?: CVE-2021-41456 is a high-severity vulnerability in Gpac Mp4box, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-10-01.
How severe is CVE-2021-41456?: High severity. CVSS v3 base score is 7.5 out of 10.