CVE-2021-46700

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Source
https://cve.org/CVERecord?id=CVE-2021-46700
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46700.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-46700
Downstream
Published
2022-02-19T19:15:10.960Z
Modified
2026-03-14T11:18:43.164360Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git / github.com/saitoha/libsixel

Affected ranges

Type
GIT
Repo
https://github.com/saitoha/libsixel
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
6a5be8b72d84037b83a5ea838e17bcf372ab1d5f
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.8.6"
        }
    ]
}

Affected versions

v0.*
v0.11.0
v0.12.0
v0.14.0
v0.15.0
v0.16.0
v0.16.1
v0.17.0
v0.17.1
v0.17.2
v0.18.0
v0.19.0
v0.19.1
v0.19.2
v0.19.3
v0.19.4
v0.19.5
v0.19.6
v0.20.0
v0.21.0
v0.21.1
v0.22.0
v0.22.1
v0.22.2
v0.22.3
v0.23.0
v0.23.1
v0.23.2
v0.24.0
v0.24.2
v0.25.0
v0.25.1
v0.25.2
v0.25.3
v0.25.4
v0.25.5
v0.26.0
v0.27.0
v0.27.1
v0.28.0
v1.*
v1.0.0
v1.0.1
v1.0.2
v1.0.3
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.1.4
v1.1.5
v1.2.0
v1.2.1
v1.2.2
v1.2.3
v1.3.0
v1.3.1
v1.3.2
v1.3.3
v1.3.4
v1.3.5
v1.3.6
v1.4.0
v1.4.1
v1.4.10
v1.4.11
v1.4.12
v1.4.13
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.4.6
v1.4.7
v1.4.8
v1.4.9
v1.5.0
v1.5.1
v1.5.2
v1.5.3
v1.6.0
v1.6.1
v1.7.0
v1.7.1
v1.7.2
v1.7.3
v1.8.0
v1.8.1
v1.8.2
v1.8.3
v1.8.4
v1.8.5
v1.8.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46700.json"