Description
load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2020-4063 | load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service. |
References
| Link | Providers |
|---|---|
| https://github.com/saitoha/libsixel/issues/134 |
|
History
Fri, 24 Apr 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Saitoha
Saitoha libsixel |
|
| CPEs | cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:* | |
| Vendors & Products |
Libsixel Project
Libsixel Project libsixel |
Saitoha
Saitoha libsixel |
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T11:42:00.564Z
Reserved: 2020-04-12T00:00:00.000Z
Link: CVE-2020-11721
No data.
Status : Modified
Published: 2020-04-12T19:15:10.367
Modified: 2026-04-24T12:56:58.623
Link: CVE-2020-11721
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD