HIGH

CVE-2021-42195

CVSS v3

7.8

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-20

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-42195 yet.

Full record on NVD

Description

An issue was discovered in swftools through 20201222. A heap-buffer-overflow exists in the function handleEditText() located in swfdump.c. It allows an attacker to cause code Execution.

Technical details

Published: 2022-06-02

Frequently asked questions

What is CVE-2021-42195?

An issue was discovered in swftools through 20201222. A heap-buffer-overflow exists in the function handleEditText() located in swfdump.c. It allows an attacker to cause code Execution.

Is CVE-2021-42195 actively exploited?

Active exploitation of CVE-2021-42195 has not been confirmed. Its EPSS score was 1.0% on 2026-10-20, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-42195?

CVE-2021-42195 has a CVSS v3 base score of 7.8 (HIGH severity).

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