What’s Vulnerable › Vulnerabilities

CVE-2019-19638

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-08 · updated 2026-06-17
• Weakness: CWE-190

Description

An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function load_pnm at frompnm.c, due to an integer overflow.

Affected products

• saitoha libsixel: 1.8.2

References

• https://github.com/saitoha/libsixel/issues/102
• https://github.com/saitoha/libsixel/issues/102

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