What’s Vulnerable › Vulnerabilities

CVE-2020-23707

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-15 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_progressive() at ok_jpg.c:1054 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.

Affected products

• Ok-File-Formats Project Ok-File-Formats: through 2020-06-26

References

• https://cwe.mitre.org/data/definitions/122.html
• https://github.com/brackeen/ok-file-formats/issues/8
• https://cwe.mitre.org/data/definitions/122.html
• https://github.com/brackeen/ok-file-formats/issues/8

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