Debian/libsixel: high 7.3
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a use-after-free vulnerability in sixel_encoder_encode_bytes() because sixel_frame_init(
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: DEBIAN-CVE-2026-33021#Debian:13/libsixel
- https://security-tracker.debian.org/tracker/CVE-2026-33021
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