CVE-2020-21050

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-21050
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-21050.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-21050
Downstream
Published
2021-09-14T16:15:08Z
Modified
2025-09-19T12:09:47.954646Z
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

Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gifprocessraster at fromgif.c.

References

Affected packages

Git / github.com/libsixel/libsixel

Affected ranges

Type
GIT
Repo
https://github.com/libsixel/libsixel
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
9d9d1863f5c96f48d679aa666e915592c5b378d0
Type
GIT
Repo
https://github.com/saitoha/libsixel
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
7808a06b88c11dbc502318cdd51fa374f8cd47ee
Fixed
933670340dcd51e41d014d83e8d693688605b773

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

Database specific 

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    "vanir_signatures": [
        {
            "signature_type": "Line",
            "target": {
                "file": "src/fromgif.c"
            },
            "id": "CVE-2020-21050-244d69a8",
            "deprecated": false,
            "digest": {
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                ],
                "threshold": 0.9
            },
            "signature_version": "v1",
            "source": "https://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd47ee"
        },
        {
            "signature_type": "Function",
            "target": {
                "file": "src/fromgif.c",
                "function": "gif_process_raster"
            },
            "id": "CVE-2020-21050-f426d9a7",
            "deprecated": false,
            "digest": {
                "length": 1865.0,
                "function_hash": "105840205852819351122098297945601229954"
            },
            "signature_version": "v1",
            "source": "https://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd47ee"
        }
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}