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High severity8.8NVD Advisory· Published Sep 17, 2021· Updated Apr 24, 2026

CVE-2020-21547

CVE-2020-21547

Description

Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.

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:1.8.2:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:saitoha:libsixel:1.8.2:*:*:*:*:*:*:*
- (no CPE)range: = 1.8.2

Patches

Vulnerability mechanics

References

1

github.com/saitoha/libsixel/issues/114nvdExploitIssue TrackingPatchThird Party Advisory

News mentions

0

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