Buffer Overflow Affecting libsixel package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Social Trends
EPSS
1.24% (66th percentile)

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  • Snyk IDSNYK-CONAN-LIBSIXEL-14942725
  • published15 Jan 2026
  • disclosed14 Apr 2021
  • creditUnknown

Introduced: 14 Apr 2021

CVE-2020-36120  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

There is no fixed version for libsixel.

Overview

Affected versions of this package are vulnerable to Buffer Overflow. Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS).

References

CVSS Base Scores

version 3.1