Description
load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.
Scores
CVSS v3
6.5
EPSS
0.0047
EPSS Percentile
64.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-824
Status
published
Products (2)
libsixel_project/libsixel
1.8.6
saitoha/libsixel
1.8.6
Published
Apr 12, 2020
Tracked Since
Feb 18, 2026