libfuse project libfuse vulnerabilities

Latest libfuse project libfuse CVEs

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1. CVE-2026-33150 Use After Free in libfuse

   Published 2026-03-20

   High·CVSS 7.8 EPSS 0.32%

   libfuse is the reference implementation of the Linux FUSE. From version 3.18.0 to before version 3.18.2, a use-after-free vulnerability in the io_uring subsystem of libfuse allows a local attacker to crash FUSE filesystem processes and potentially execute arbitrary code. When io_...

2. CVE-2026-33179 libfuse: NULL Pointer Dereference and Memory Leak in io_uring Queue Initialization

   Published 2026-03-20

   Medium·CVSS 5.5 EPSS 0.20%

   libfuse is the reference implementation of the Linux FUSE. From version 3.18.0 to before version 3.18.2, a NULL pointer dereference and memory leak in fuse_uring_init_queue allows a local user to crash the FUSE daemon or cause resource exhaustion. When numa_alloc_local fails duri...

3. CVE-2010-3879 FUSE, possibly 2.8.5 and earlier, allows local users to create mtab entries with arbitrary pathnames, and consequently unmount any filesystem, via a symlink attack on the parent directory of the mount...

   Published 2011-01-22

   Medium·CVSS 5.8 EPSS 9.8%

   FUSE, possibly 2.8.5 and earlier, allows local users to create mtab entries with arbitrary pathnames, and consequently unmount any filesystem, via a symlink attack on the parent directory of the mountpoint of a FUSE filesystem, a different vulnerability than CVE-2010-0789.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.