CVEvulnerability
CVE-2020-28248
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-190, CWE-787
Description
An integer overflow in the PngImg::InitStorage_() function of png-img before 3.1.0 leads to an under-allocation of heap memory and subsequently an exploitable heap-based buffer overflow when loading a crafted PNG file.
Affected configurations
• png-img project png-img (< 3.1.0)
Related
References
- https://github.com/gemini-testing/png-img Product
- https://github.com/gemini-testing/png-img/commit/14ac462a32ca4b3b78f56502ac976d5b0222ce3d Patch, Third Party Advisory
- https://github.com/gemini-testing/png-img/compare/v3.0.0...v3.1.0 Release Notes, Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-142-gemini-png-img Exploit, Third Party Advisory
- https://github.com/gemini-testing/png-img Product
- https://github.com/gemini-testing/png-img/commit/14ac462a32ca4b3b78f56502ac976d5b0222ce3d Patch, Third Party Advisory
- https://github.com/gemini-testing/png-img/compare/v3.0.0...v3.1.0 Release Notes, Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-142-gemini-png-img Exploit, Third Party Advisory