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CVE-2020-21548

nvd nist
Published: Sep 17, 2021Modified: Apr 24, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.

Affected (1)

Products: Saitoha: Libsixel
Saitoha
1 product
Libsixel
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Libsixel
Version 1.8.3

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (2)

Source: cve@mitre.org
ExploitIssue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingPatchThird Party Advisory

Timeline

No history available yet.