HIGH

CVE-2017-20286

CVSS v3

7.8

HIGH

EPSS Score

—

exploit probability

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-2017-20286 yet.

Full record on NVD

Description

DevIL through 1.8.0 contains a heap-based buffer overflow in iGetPalette() in il_gif.cpp that allows attackers to write beyond a 768-byte palette buffer when loading GIF images. Attackers can supply a crafted two-frame GIF whose second frame uses disposal method 1 with a local colour table, writing up to 384 controlled bytes past the heap allocation and possibly executing code.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2026-10-14
Last Modified: 2026-10-14

Frequently asked questions

What is CVE-2017-20286?

Is CVE-2017-20286 actively exploited?

Active exploitation of CVE-2017-20286 has not been confirmed.

What is the CVSS score for CVE-2017-20286?

CVE-2017-20286 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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