CVE-2026-5186 describes a double free vulnerability in Nothings stb up to version 2.30, specifically affecting the `stbi__load_gif_main` function within the `stb_image.h` component responsible for multi-frame GIF file handling. Rated with a CVSS score of 5.3 (Medium), exploitation requires local access and could result in low impacts to confidentiality, integrity, and availability. Although not currently listed on the KEV or Hot List, an exploit for this vulnerability has been publicly disclosed, increasing the potential for future attacks. The vendor has not responded to the disclosure, and community discussion remains minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Nothings | Stb | 2.0, 2.1, 2.10, 2.11, 2.12, 2.13, 2.14, 2.15, 2.16, 2.17, 2.18, 2.19, 2.2, 2.20, 2.21, 2.22, 2.23, 2.24, 2.25, 2.26, 2.27, 2.28, 2.29, 2.3, 2.30, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9CNA affected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.