What’s Vulnerable › Vulnerabilities

CVE-2022-29978

• Severity: medium (CVSS 6.5 v3.1)
• 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: 2022-05-11 · updated 2026-06-17
• Weakness: CWE-682

Description

There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.

Affected products

• saitoha libsixel: 1.8.6

References

• https://github.com/saitoha/libsixel/issues/166
• https://github.com/saitoha/libsixel/issues/166

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