Out-of-bounds Write Affecting libsixel package, versions <1.8.2-2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.82% (56th percentile)

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  • Snyk IDSNYK-ECHOLATEST-LIBSIXEL-21184773
  • published18 Oct 2026
  • disclosed30 Nov 2018

Introduced: 30 Nov 2018

CVE-2018-19762  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Echo:latest libsixel to version 1.8.2-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsixel package and not the libsixel package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact.