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CVE-2020-21548
HIGH8.8
Description
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
CVE Details
CVSS v3.1 Score8.8
SeverityHIGH
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
Published9/17/2021
Last Modified4/24/2026
Sourcenvd
Honeypot Sightings0
Affected Products
saitoha:libsixel
Weaknesses (CWE)
CWE-787
References
https://github.com/saitoha/libsixel/issues/116(cve@mitre.org)
https://github.com/saitoha/libsixel/issues/116(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
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