CVE-2020-21548
published 2021-09-17CVE-2020-21548: Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libsixel | < libsixel 1.8.6-1 (bookworm) | libsixel 1.8.6-1 (bookworm) |
| libsixel_project | libsixel | >= 0 < 1.8.6-1 | 1.8.6-1 |
| libsixel_project | libsixel | >= 0 < 1.8.6-1 | 1.8.6-1 |
| libsixel_project | libsixel | >= 0 < 1.8.6-1 | 1.8.6-1 |
| libsixel_project | libsixel | >= 0 < 1.8.6-1 | 1.8.6-1 |
| saitoha | libsixel | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH