CVE-2025-59730
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BaseFortify

Publication date: 2025-10-06

Last updated on: 2025-10-06

Assigner: Google Inc.

Description
When decoding a frame for a SANM file (ANIM v0 variant), the decoded data can be larger than the buffer allocated for it. Frames encoded with codec 48 can specify their resolution (width x height). A buffer of appropriate size is allocated depending on the resolution. This codec can encode the frame contents using a run-length encoding algorithm. There are no checks that the decoded frame fits in the allocated buffer, leading to a heap-buffer-overflow. process_frame_obj initializes the buffers based on the frame resolution: We recommend upgrading to version 8.0 or beyond.
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Meta Information
Published
2025-10-06
Last Modified
2025-10-06
Generated
2026-06-16
AI Q&A
2025-10-06
EPSS Evaluated
2026-06-15
NVD
CVE-2025-59730
EUVD
EUVD-2025-32191
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability occurs when decoding a frame for a SANM file (ANIM v0 variant) using codec 48. The codec allows specifying the frame resolution and allocates a buffer accordingly. However, the run-length encoding algorithm used to encode the frame contents does not check if the decoded data fits within the allocated buffer, which can lead to a heap-buffer-overflow.

Impact Analysis

The heap-buffer-overflow caused by this vulnerability can lead to memory corruption, which may result in crashes, data corruption, or potentially allow an attacker to execute arbitrary code or escalate privileges.

Mitigation Strategies

The recommended immediate step to mitigate this vulnerability is to upgrade to version 8.0 or beyond of the affected software.

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