David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow.
Priority LOW 35CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of the ok-file-formats project is used, a heap-buffer-overflow occurred in function ok_jpg_generate_huffman_table() in "/ok_jpg.c:403".
Why it matters now
EPSS 0.0073 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ok-file-formats_project:ok-file-formats:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ok-file-formats Project |
- cpe:2.3:a:ok-file-formats_project:ok-file-formats:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ok-file-formats Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-44340
- 2026-10-03 Alias added: GHSA-v644-2jg6-mhpv
References
More Ok-file-formats Project Ok-file-formats vulnerabilities
- TI-2018-14639 ok-file-formats through 2018-10-16 has a heap-based buffer over-read in the ok_mo_decode2 function in ok_mo.c. CVSS 3.1HIGH 8.8
- TI-2021-09443 Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the… CVSS 3.1HIGH 8.8
- TI-2018-14638 ok-file-formats through 2018-10-16 has a heap-based buffer overflow in the ok_csv_decode2 function in ok_csv.c. CVSS 3.0HIGH 8.8
- TI-2018-14637 ok-file-formats through 2018-10-16 has a heap-based buffer overflow in the… CVSS 3.0HIGH 8.8
- TI-2021-18217 ok-file-formats master 2021-9-12 is affected by a buffer overflow in… CVSS 3.1HIGH 7.8
- TI-2021-12085 ok-file-formats through 2021-04-29 has a heap-based buffer overflow in the… CVSS 3.1HIGH 7.8
Sources
- CVE-2021-44340 · CVE Program
- CVE-2021-44340 · NVD
- FIRST EPSS
- GHSA-v644-2jg6-mhpv · GitHub Advisory Database · CC BY 4.0
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