ImageMagick is a software suite to create, edit, compose, or convert bitmap images. In versions 7.1.2-9 and prior, the TIM (PSX TIM) image parser contains a critical integer overflow vulnerability in its ReadTIMImage function (coders/tim.c). The code reads width and height (16-bit values) from the file header and calculates image_size = 2 * width * height without checking for overflow. On 32-bit systems (or where size_t is 32-bit), this calculation can overflow if width and height are large (e.g., 65535), wrapping around to a small value. This results in a small heap allocation via AcquireQuantumMemory and later operations relying on the dimensions can trigger an out of bounds read. This issue is fixed in version 7.1.2-10.
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| Description | ImageMagick is a software suite to create, edit, compose, or convert bitmap images. In versions 7.1.2-9 and prior, the TIM (PSX TIM) image parser contains a critical integer overflow vulnerability in its ReadTIMImage function (coders/tim.c). The code reads width and height (16-bit values) from the file header and calculates image_size = 2 * width * height without checking for overflow. On 32-bit systems (or where size_t is 32-bit), this calculation can overflow if width and height are large (e.g., 65535), wrapping around to a small value. This results in a small heap allocation via AcquireQuantumMemory and later operations relying on the dimensions can trigger an out of bounds read. This issue is fixed in version 7.1.2-10. | |
| Title | ImageMagick is vulnerable to an Integer Overflow in TIM decoder leading to out of bounds read (32-bit only) | |
| Weaknesses | CWE-125 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2025-12-10T22:04:49.639Z
Updated: 2025-12-11T15:38:56.050Z
Reserved: 2025-12-05T15:42:44.715Z
Link: CVE-2025-66628
Updated: 2025-12-11T15:38:48.820Z
Status : Awaiting Analysis
Published: 2025-12-10T22:16:28.660
Modified: 2025-12-12T15:18:13.390
Link: CVE-2025-66628