PT-2022-12903 · Libsixel+1 · Libsixel+1

P870613 · Published 2022-02-19 · Updated 2022-03-01 · CVE-2021-46700

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libsixel version 1.8.6

Description The issue is related to a double free error in the sixel encoder output without macro function, which is called from sixel encoder encode frame in encoder.c.

Recommendations For libsixel version 1.8.6, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2021-46700

Affected Products

Debian

Libsixel

References · 8

• 🔥 https://github.com/saitoha/libsixel/issues/158 · Exploit
• https://ubuntu.com/security/CVE-2021-46700 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46700 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-46700 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-46700 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-46700 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-46700 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46700 · Vendor Advisory