How severe is CVE-2021-41413?

CVE-2021-41413 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-41413 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41413?

CVE-2021-41413 affects Ok-file-formats Project Ok-file-formats. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41413?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-41413 published?

CVE-2021-41413 was published on 2022-06-15 and last updated on 2026-06-17.

CVE-2021-41413

CVE-2021-41413 is a high-severity vulnerability in Ok-file-formats Project Ok-file-formats with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Ok-file-formats Project Ok-file-formats
Published: 2022-06-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-41413?: CVE-2021-41413 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-41413 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41413?: CVE-2021-41413 affects Ok-file-formats Project Ok-file-formats. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41413?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-41413 published?: CVE-2021-41413 was published on 2022-06-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ok-file-formats_project:ok-file-formats:2021-9-12:*:*:*:*:*:*:*

More vulnerabilities in Ok-file-formats Project Ok-file-formats

CVE-2021-28233 — High (CVSS 8.8): Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the ok_jpg_generate_huffman_table function in…
CVE-2018-20618 — High (CVSS 8.8): ok-file-formats through 2018-10-16 has a heap-based buffer over-read in the ok_mo_decode2 function in ok_mo.c.
CVE-2018-20617 — High (CVSS 8.8): ok-file-formats through 2018-10-16 has a heap-based buffer overflow in the ok_csv_decode2 function in ok_csv.c.
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