CVE-2026-33850: Stb Image Fractional Subsampling Oob
stb_image JPEG decoder lacks integer ratio validation for plane subsampling factors. This logic oversight leads to memory corruption/out-of-bounds write since resamplers cannot handle fractional ratios.
Provally CuratedPublic repositoryHighMedium confidenceVerifiedApache-2.0
C
Cgreprules fetch cve-2026-33850-stb-image-fractional-subsampling-oob --engine opengrepDescription
stb_image JPEG decoder lacks integer ratio validation for plane subsampling factors. This logic oversight leads to memory corruption/out-of-bounds write since resamplers cannot handle fractional ratios.
Community feedback
0 rule-level signals from signed-in users.
- Useful reports
- 0
- Context false positives
- 0
- Metadata suggestions
- 0
Contextual precision
Aggregated from approved scan feedback. False-positive reports describe observed scan contexts, not a global rule verdict.
- Findings observed
- 0
- Projects
- 0
- Reporters
- 0
Precision details are collecting more signed-in reports before verdict counts or ratios are emphasized.
Finding verdicts0
No approved finding verdicts yet.
Scan diagnostics0
No scan diagnostics reported yet.