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High severity8.8NVD Advisory· Published Apr 8, 2022· Updated Apr 24, 2026

CVE-2021-40656

CVE-2021-40656

Description

libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.

AI Insight

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

Affected products

2

Saitoha/Libsixel2 versions
cpe:2.3:a:libsixel:libsixel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libsixel:libsixel:*:*:*:*:*:*:*:*range: <1.10.0
- (no CPE)range: <1.10

Patches

Vulnerability mechanics

References

1

github.com/libsixel/libsixel/issues/25nvdExploitIssue TrackingThird Party Advisory

News mentions

0

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