What is CVE-2021-32439?

CVE-2021-32439 is a high-severity vulnerability in Gpac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2021-08-11.

How severe is CVE-2021-32439?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Gpac

CVE-2021-32439

Buffer overflow in the stbl_AppendSize function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (66.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Gpac — versions 1.0.1
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, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-32439?: CVE-2021-32439 is a high-severity vulnerability in Gpac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2021-08-11.
How severe is CVE-2021-32439?: High severity. CVSS v3 base score is 7.8 out of 10.