What is CVE-2021-41413?

CVE-2021-41413 is a high-severity vulnerability in Ok-File-Formats Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-06-15.

How severe is CVE-2021-41413?

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

Buffer overflow in Ok-File-Formats Project

CVE-2021-41413

ok-file-formats master 2021-9-12 is affected by a buffer overflow in ok_jpg_convert_data_unit_grayscale and ok_jpg_convert_YCbCr_to_RGB.

Vulnerability class: Buffer Overflow

Published 2022-06-15 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.009 (56.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000

Affected products

Ok-File-Formats Project — versions 2021-9-12

Weakness classification (CWE)

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

References

github.com/brackeen/ok-file-formats (Third Party Advisory)
github.com/brackeen/ok-file-formats/issues/20 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-41413?: CVE-2021-41413 is a high-severity vulnerability in Ok-File-Formats Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-06-15.
How severe is CVE-2021-41413?: High severity. CVSS v3 base score is 7.8 out of 10.