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libsixel — Vulnerabilities & Security Advisories 10

All 10 CVE vulnerabilities found in libsixel, with AI-generated Chinese analysis, references, and POCs.

Vendor: saitoha

CVE ID Title CVSS Severity Published
CVE-2026-110601 libsixel before 1.8.7-r1 and 1.9.0 through 1.10.5 Heap Out-of-Bounds Write via GIF CWE-787 6.3 Medium 2026-10-14
CVE-2026-44637 libsixel: integer overflow in parser CWE-190 7.1 High 2026-05-14
CVE-2026-44636 libsixel: integer overflow in encoder CWE-122 7.4 High 2026-05-14
CVE-2026-44638 libsixel: NULL pointer dereference CWE-476 2.5 Low 2026-05-14
CVE-2026-33023 libsixel: Use-after-free in load_with_gdkpixbuf() CWE-416 7.8 High 2026-04-14
CVE-2026-33021 libsixel: Use-after-free in sixel_encoder_encode_bytes() CWE-416 7.3 High 2026-04-14
CVE-2026-33020 libsixel: Integer Overflow in write_png_to_file() leads to Heap-based Buffer Overflow CWE-122 7.1 High 2026-04-14
CVE-2026-33019 libsixel: Integer overflow leads to Out-of-bounds Read in img2sixel CWE-125 7.1 High 2026-04-14
CVE-2026-33018 libsixel: Use-After-Free in load_gif() CWE-416 7.0 High 2026-04-14
CVE-2025-9300 saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow CWE-121 5.3 Medium 2025-08-21

All 10 known CVE vulnerabilities affecting libsixel with full Chinese analysis, references, and POCs where available.