What’s Vulnerable › Vulnerabilities

CVE-2019-3573

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-01-02 · updated 2026-06-17
• Weakness: CWE-835

Description

In libsixel v1.8.2, there is an infinite loop in the function sixel_decode_raw_impl() in the file fromsixel.c, as demonstrated by sixel2png.

Affected products

• saitoha libsixel: 1.8.2

References

• https://github.com/TeamSeri0us/pocs/tree/master/libsixel
• https://github.com/saitoha/libsixel/issues/83
• https://github.com/TeamSeri0us/pocs/tree/master/libsixel
• https://github.com/saitoha/libsixel/issues/83

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