6 results · Feed
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High 7.5
imgproxy 3.3.0 before 4.0.16 Memory Exhaustion DoS via ICO Loader
imgproxy from 3.3.0 before 4.0.16 contains an unbounded memory allocation vulnerability in the ICO loader that fails to validate the data_size field. Attackers can supply a crafted 23-byte ICO file declaring a ~4GB data_size to trigger memory exhaustion and w…
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High 7.5
imgproxy before 4.0.17 Out-of-Bounds Write in ICO Loader
imgproxy 3.3.0 before 4.0.17 contains an out-of-bounds heap read and write in the ICO loader's BMP header reconstruction (vips_foreign_load_ico_header in vips/icoload.c) when an ICO entry declares a tiny data size, causing unvalidated header fields to be read…
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Critical 9.8
imgproxy 4.0.0 before 4.0.16 Heap Buffer Overflow via ICO Loader Integer Overflow
imgproxy from 4.0.0 before 4.0.16 contains an integer overflow in the ICO loader that allows remote attackers to trigger a heap buffer overflow via a crafted data_size value. Attackers can submit a crafted ICO image whose data_size wraps the allocation in vip…
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Critical 9.8
imgproxy has integer overflow in imgproxy ICO loader that causes denial of service and may permit remote code execution
## Summary The ICO loader allocates `data_size + BMP_FILE_HEADER_LEN` bytes after reading a 32-bit attacker-controlled `data_size`. For `data_size > UINT32_MAX - BMP_FILE_HEADER_LEN`, the addition wraps before allocation. imgproxy then writes the ICO prefix a…
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High 7.5
imgproxy has out-of-bounds heap read/write in ICO loader BMP header reconstruction that allows unauthenticated remote worker crash
### Summary Out-of-bounds heap write in imgproxy's ICO loader (`vips/icoload.c`): when the ICO entry's image data buffer is small, the loader's BMP-header-reconstruction writes land past the allocation, corrupting the size field of the following heap chunk. T…
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High 7.5
imgproxy has unbounded memory allocation in ICO loader that allows unauthenticated memory-exhaustion DoS via crafted data_size field
### Summary Unbounded and unvalidated memory allocation in imgproxy's ICO loader (`vips/icoload.c`). An attacker-controlled `data_size` field (u32) from the ICO directory entry is passed directly to `VIPS_MALLOC` without any bounds check, so a single crafted …