Integer overflow in Nothings Stb
CVE-2026-102805
A flaw has been found in Nothings stb up to 1.16. This affects the function stbi_write_png_to_mem/stbi_write_jpg_core/stbi_write_tga_core in the library stb_image_write.h of the component Image Encoding. Executing a manipulation can lead to integer overflow. The attack can be executed remotely. The exploit has been published and may be used.
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Nothings Stb — versions 1.0, 1.1, 1.10
Weakness classification (CWE)
References
- vuldb.com/vuln/411497 (technical-description, vdb-entry)
- vuldb.com/vuln/411497/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-102805 (third-party-advisory)
- vuldb.com/submit/944868 (third-party-advisory)
- github.com/nothings/stb/issues/1964 (issue-tracking, exploit)
- github.com/nothings/stb/issues/1964 (issue-tracking)
- github.com/nothings/stb/ (product)
Frequently asked questions
- What is CVE-2026-102805?
- CVE-2026-102805 is a medium-severity vulnerability in Nothings Stb, classified under CWE-189. CVSS score: 6.5/10. Published 2026-09-30.
- How severe is CVE-2026-102805?
- Medium severity. CVSS v3 base score is 6.5 out of 10.