What’s Vulnerable › Vulnerabilities

CVE-2018-19763

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-11-30 · updated 2026-06-17
• Weakness: CWE-125

Description

There is a heap-based buffer over-read at writer.c (function: write_png_to_file) in libsixel 1.8.2 that will cause a denial of service.

Affected products

• saitoha libsixel: 1.8.2

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1649201
• https://bugzilla.redhat.com/show_bug.cgi?id=1649201

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