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HIGH

CVE-2018-3977

CVSS v3

8.8

HIGH

EPSS Score

3.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An exploitable code execution vulnerability exists in the XCF image rendering functionality of SDL2_image-2.0.3. A specially crafted XCF image can cause a heap overflow, resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability.

Technical details

Published
2018-11-01

Frequently asked questions

What is CVE-2018-3977?

An exploitable code execution vulnerability exists in the XCF image rendering functionality of SDL2_image-2.0.3. A specially crafted XCF image can cause a heap overflow, resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability.

Is CVE-2018-3977 actively exploited?

Active exploitation of CVE-2018-3977 has not been confirmed. Its EPSS score was 3.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-3977?

CVE-2018-3977 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2018-3977 affecting your environment?

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