What’s Vulnerable › Vulnerabilities

CVE-2019-20022

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-27 · updated 2026-06-17
• Weakness: CWE-672

Description

An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8.3.

Affected products

• saitoha libsixel: before 1.8.3 — fixed in 1.8.3

How to fix

Upgrade to a fixed version: saitoha libsixel 1.8.3. Check the vendor advisory for mitigations.

References

• https://github.com/saitoha/libsixel/issues/108
• https://github.com/saitoha/libsixel/issues/108

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