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CVE-2021-28233

Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the...

8.8 High

Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the ok_jpg_generate_huffman_table function in ok_jpg.c.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.06%Up 0.6 points since Aug 28, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the ok_jpg_generate_huffman_table function in ok_jpg.c.

Record
CVE-2021-28233
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the ok_jpg_generate_huffman_table function in ok_jpg.c.

Record
CVE-2021-28233
Updated
2026-11-02
EUVDEUVD-2021-14923 No score

Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the ok_jpg_generate_huffman_table function in ok_jpg.c.

Record
EUVD-2021-14923
Updated
2026-11-03
GitHub AdvisoriesGHSA-p4gx-hqcf-w8m9 No score

Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the...

Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the ok_jpg_generate_huffman_table function in ok_jpg.c.

Record
GHSA-p4gx-hqcf-w8m9
Weakness
CWE-787
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-28233 is a high vulnerability (CVSS 8.8) in Ok-file-formats Project Ok-file-formats, published August 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. No source names a fixed version.

References

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