What’s Vulnerable › Vulnerabilities
CVE-2026-5186: Nothings stb Multi-frame GIF File stb_image.h stbi__load_gif_main double free
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-31 · updated 2026-06-17
- Weakness: CWE-119
Description
A weakness has been identified in Nothings stb up to 2.30. This impacts the function stbi__load_gif_main of the file stb_image.h of the component Multi-frame GIF File Handler. This manipulation causes double free. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
- nothings stb: 2.0, 2.1, 2.2, 2.3, 2.4, 2.5 (+25)
References
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