Description
Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS).
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/saitoha/libsixel/issues/143
Scores
CVSS v3
7.5
EPSS
0.0042
EPSS Percentile
62.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-120
Status
published
Products (2)
libsixel_project/libsixel
1.8.6
saitoha/libsixel
1.8.6
Published
Apr 14, 2021
Tracked Since
Feb 18, 2026