CVE-2019-19637

An issue was discovered in libsixel 1.8.2. There is an integer overflo ...

Published 8 Dec 2019Modified 17 Jun 2026CWE 190

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD.

Description

An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_decode_raw_impl at fromsixel.c.

Affected packages and fixed versions

Source	Package	Fixed in
debian 10	libsixel	no fix listed
debian 11	libsixel	1.8.6-1
debian 12	libsixel	1.8.6-1
debian 13	libsixel	1.8.6-1
debian 14	libsixel	1.8.6-1
debian 8	libsixel	no fix listed
debian 9	libsixel	no fix listed
echo	libsixel	1.8.6-1

References

https://github.com/saitoha/libsixel/issues/105

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.