CVE-2021-41715

Name: CVE-2021-41715
Creator: NVD / NIST
Published: 2022-04-08T15:15:08.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2021-41715 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.01%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Libsixel	Libsixel	1.10.0

References

https://github.com/libsixel/libsixel/issues/27Exploit, Issue Tracking, Third Party Advisory
https://github.com/libsixel/libsixel/issues/27Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 8, 2022
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-41715?

libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.

How severe is CVE-2021-41715?

CVE-2021-41715 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41715?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-41715?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST