Denial of Service Vulnerability in Nothings stb GIF Decoder

CVE-2026-5313

What is CVE-2026-5313?

A vulnerability has been identified in the Nothings stb GIF Decoder, specifically affecting the stbi__gif_load_next function in the stb_image.h library. This flaw allows for potential denial of service attacks, which can be executed remotely. Exploitation of this vulnerability has been publicly disclosed, and the vendor has not acknowledged the report despite prior notifications. Users of stb versions up to 2.30 should take precautions as the vulnerability may be actively exploited.

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