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HIGH

CVE-2021-33479

CVSS v3

7.8

HIGH

EPSS Score

1.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in measure_pitch() in pgm2asc.c.

Technical details

Published
2021-11-17

Frequently asked questions

What is CVE-2021-33479?

A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in measure_pitch() in pgm2asc.c.

Is CVE-2021-33479 actively exploited?

Active exploitation of CVE-2021-33479 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33479?

CVE-2021-33479 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-33479 affecting your environment?

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