CVE-2025-9300: fallo de gravedad media en saitoha libsixel
saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 4.8epss 0.3%
A vulnerability was found in saitoha libsixel up to 1.10.3. Affected by this issue is the function sixel_debug_print_palette of the file src/encoder.c of the component img2sixel. The manipulation results in stack-based buffer overflow. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is identified as 316c086e79d66b62c0c4bc66229ee894e4fdb7d1. Applying a patch is advised to resolve this issue.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
saitoha · libsixelCVEs relacionadas — saitoha libsixel
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-33023HIGHlibsixel: Use-after-free in load_with_gdkpixbuf()EPSS 0.3%CVE-2026-33019HIGHlibsixel: Integer overflow leads to Out-of-bounds Read in img2sixelEPSS 0.3%CVE-2026-33021HIGHlibsixel: Use-after-free in sixel_encoder_encode_bytes()EPSS 0.2%CVE-2026-110601MEDIUMlibsixel before 1.8.7-r1 and 1.9.0 through 1.10.5 Heap Out-of-Bounds Write via GIFEPSS 0.2%CVE-2026-33020HIGHlibsixel: Integer Overflow in write_png_to_file() leads to Heap-based Buffer OverflowEPSS 0.2%CVE-2026-33018HIGHlibsixel: Use-After-Free in load_gif()EPSS 0.2%
Referencias
https://drive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=sharinghttps://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1https://github.com/saitoha/libsixel/issues/200https://github.com/saitoha/libsixel/issues/200#issuecomment-3178785635https://vuldb.com/?ctiid.320905https://vuldb.com/?id.320905https://vuldb.com/?submit.632366