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Medium severity6.5NVD Advisory· Published Feb 19, 2022· Updated Apr 24, 2026

CVE-2021-46700

CVE-2021-46700

Description

In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2

Saitoha/Libsixel2 versions
cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:*
- (no CPE)range: <=1.8.6

Patches

Vulnerability mechanics

References

1

github.com/saitoha/libsixel/issues/158nvdExploitIssue TrackingThird Party Advisory

News mentions

0

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