| CVE-2015-6818 | Date: (C)2015-09-11 (M)2023-12-22 |
The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR (aka image header) chunk in a PNG image, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted image with two or more of these chunks.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 7.5 |
| Exploit Score: 10.0 |
| Impact Score: 6.4 |
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| CVSS V2 Metrics: |
| Access Vector: NETWORK |
| Access Complexity: LOW |
| Authentication: NONE |
| Confidentiality: PARTIAL |
| Integrity: PARTIAL |
| Availability: PARTIAL |
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