漏洞信息
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Vulnerability Title
OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collision
Vulnerability Description
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 contain a heap buffer overflow in PyOpenEXR triggered by a channel-name key collision between literal and prefixed RGB channels. When separate_channels=false, PyOpenEXR maps each physical channel name through channelNameToRGBA() and coalesces the results into a shared RGB array. A crafted flat scanline EXR that contains both a literal channel such as left and prefixed channels such as left.R, left.G, and left.B causes these names to collide, so the wrapper reuses an undersized two-dimensional NumPy array for the coalesced RGB slices and writes out of bounds when OpenEXR.File(path) decodes the pixels. This issue is fixed in versions 3.3.13 and 3.4.14.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Vulnerability Type
堆缓冲区溢出
Vulnerability Title
Academy Software Foundation OpenEXR 缓冲区错误漏洞
Vulnerability Description
Academy Software Foundation OpenEXR是美国Academy Software Foundation基金会开源的一种高动态范围图像(HDR)文件格式的开放标准。 Academy Software Foundation OpenEXR 3.3.0版本至3.3.12版本和3.4.0版本至3.4.13版本存在缓冲区错误漏洞,该漏洞源于PyOpenEXR中通道名称键冲突,当separate_channels=false时,字面量通道与带前缀的RGB通道映射后发生碰撞,在解码图像时复用
CVSS Information
N/A
Vulnerability Type
N/A