What’s Vulnerable › Vulnerabilities

CVE-2018-7247

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-02-19 · updated 2026-06-17
• Weakness: CWE-119

Description

An issue was discovered in pixHtmlViewer in prog/htmlviewer.c in Leptonica before 1.75.3. Unsanitized input (rootname) can overflow a buffer, leading potentially to arbitrary code execution or possibly unspecified other impact.

Affected products

• Leptonica: before 1.75.3 — fixed in 1.75.3

How to fix

Upgrade to a fixed version: Leptonica 1.75.3. Check the vendor advisory for mitigations.

References

• https://github.com/DanBloomberg/leptonica/commit/c1079bb8e77cdd426759e466729917ca37a3ed9f
• https://security.gentoo.org/glsa/202312-01
• https://github.com/DanBloomberg/leptonica/commit/c1079bb8e77cdd426759e466729917ca37a3ed9f
• https://security.gentoo.org/glsa/202312-01

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