Skip to content

Libsixel 1.8.2 contains a heap-based buffer overflow in...

High severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 30, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.

References

Published by the National Vulnerability Database Sep 17, 2021
Published to the GitHub Advisory Database May 24, 2022
Last updated Jan 30, 2023

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(59th percentile)

Weaknesses

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer. Learn more on MITRE.

CVE ID

CVE-2020-21547

GHSA ID

GHSA-29q2-x88c-692h

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

Learn more about GitHub language support

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.