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Medium severity6.5NVD Advisory· Published Apr 12, 2020· Updated Apr 24, 2026

CVE-2020-11721

CVE-2020-11721

Description

load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.

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

News mentions

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