Description
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
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
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2020-14316 | Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c. |
References
| Link | Providers |
|---|---|
| https://github.com/saitoha/libsixel/issues/116 |
|
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:1.8.3:*:*:*:*:*:*:* | |
| Vendors & Products |
Libsixel Project
Libsixel Project libsixel |
Saitoha
Saitoha libsixel |
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T14:30:33.319Z
Reserved: 2020-08-13T00:00:00.000Z
Link: CVE-2020-21548
No data.
Status : Modified
Published: 2021-09-17T21:15:07.360
Modified: 2026-04-24T12:56:58.623
Link: CVE-2020-21548
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD