Description
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/saitoha/libsixel/issues/109
Scores
CVSS v3
8.8
EPSS
0.0037
EPSS Percentile
58.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
Status
published
Products (3)
libsixel_project/libsixel
1.8.2
nothings/stb_image.h
2.23
saitoha/libsixel
1.8.2
Published
Dec 13, 2019
Tracked Since
Feb 18, 2026