CVE-2018-16981

stbi: Heap-based buffer overflow in stb_image.h:stbi__out_gif_code() function

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 3.0

Review impact separately from score.

Published · September 12, 2018

Updated · November 22, 2025

Description

stb stb_image.h 2.19, as used in catimg, Emscripten, and other products, has a heap-based buffer overflow in the stbi__out_gif_code function.

Statement

This issue did not affect the versions of cogl and compat-cogl114 as shipped with Red Hat Enterprise Linux 7.

This issue did not affect the versions of clutter as shipped with Red Hat Enterprise Linux 6.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-122 · Heap-based Buffer Overflow