DescriptionLeptonica 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs885704

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
leptonlib (PTS)buster1.76.0-1+deb10u1fixed
buster (security)1.76.0-1+deb10u2fixed
sid, trixie, bookworm1.82.0-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
leptonlibsourcewheezy(not affected)
leptonlibsourcejessie(not affected)


[jessie] - leptonlib <not-affected> (Vulnerable code not present)
[wheezy] - leptonlib <not-affected> (Vulnerable code not present)

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