fix(libsixel): CVE-2025-61146, CVE-2025-9300#2
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Fix memory leak in fromgif.c gif_init_frame function. The allocated memory should be freed before reallocating. Upstream: saitoha/libsixel@e0ba668 Generated-By: glm-5.1 Co-Authored-By: hudeng <hudeng@deepin.org>
Fix heap buffer overflow in encoder.c sixel_debug_print_palette function. Corrected palette index offsets from [1,2,3] to [0,1,2]. Upstream: saitoha/libsixel@316c086 Generated-By: glm-5.1 Co-Authored-By: hudeng <hudeng@deepin.org>
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CVE 修复
CVE IDs: CVE-2025-61146, CVE-2025-9300
CVE-2025-61146: Memory leak in fromgif.c
漏洞描述: Memory leak in gif_init_frame function when processing GIF frames.
修复方案: Backport upstream commit saitoha/libsixel@e0ba668
受影响版本: < 1.10.6
当前版本: 1.10.5-1
CVE-2025-9300: Heap buffer overflow in encoder.c
漏洞描述: Heap buffer overflow in sixel_debug_print_palette due to incorrect palette index offsets.
修复方案: Backport upstream commit saitoha/libsixel@316c086
受影响版本: < 1.10.6
当前版本: 1.10.5-1
验证状态: ✅ quilt 验证通过
Fix-Approach: backport-upstream
Generated by: CVE-Fixer Agent (glm-5.1)
Co-Authored-By: hudeng hudeng@deepin.org