EUVD-2026-17340
GHSA-593x-hf83-hmrv
Severity by source
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
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Primary rating from NVD.
CVSS VectorNVD
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
Lifecycle Timeline
5DescriptionCVE.org
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.
AnalysisAI
Double free vulnerability in Nothings stb library (up to version 2.30) in the multi-frame GIF file handler function stbi__load_gif_main allows local authenticated attackers to cause information disclosure and memory corruption. Public exploit code is available. …
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Vulnerability AssessmentAI
| Risk Assessment | CVSS 5.3 (AV:L/AC:L/PR:L) indicates a local attack requiring low privilege user access with low complexity. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A local user on a multi-user system crafts a malicious GIF file and places it in a shared directory or uploads it to an application that uses stb_image.h for processing. When the application or another user's process loads the malicious GIF through stbi__load_gif_main, the double free condition is triggered during multi-frame parsing. … |
| Remediation | Update to stb library version 2.31 or later if released by the vendor, or apply a patched version available from the official repository. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Vendor StatusVendor
SUSE
Severity: MediumShare
External POC / Exploit Code
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