What’s Vulnerable › Vulnerabilities

CVE-2017-18196

• Severity: low (CVSS 3.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-02-23 · updated 2026-06-17
• Weakness: CWE-22

Description

Leptonica 1.74.4 constructs unintended pathnames (containing duplicated path components) when operating on files in /tmp subdirectories, which might allow local users to bypass intended file restrictions by leveraging access to a directory located deeper within the /tmp directory tree, as demonstrated by /tmp/ANY/PATH/ANY/PATH/input.tif.

Affected products

• Leptonica: 1.74.4

References

• https://bugs.debian.org/885704
• https://security.gentoo.org/glsa/202312-01
• https://bugs.debian.org/885704
• https://security.gentoo.org/glsa/202312-01

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