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


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (25th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LIBSIXEL-464218
  • published9 Sept 2019
  • disclosed30 Nov 2018

Introduced: 30 Nov 2018

CVE-2018-19763  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:unstable 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 Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

There is a heap-based buffer over-read at writer.c (function: write_png_to_file) in libsixel 1.8.2 that will cause a denial of service.