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VULNERABILITIES

CVE-2021-46700 Details

Description

In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/saitoha/libsixel/issues/158 CVEExploitIssue TrackingThird Party Advisory
https://github.com/saitoha/libsixel/issues/158 [email protected]ExploitIssue TrackingThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-415Double Free[email protected]

Affected Products

ProductVersions
saitoha libsixel
1.8.6

CPE

  • cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-46700
NVD Published Date:
Feb 19, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-46700 Details - Not Deferred