[ CVE-2026-111135 · Published 15 Oct 2026 ]
Vulnerability in libyal libfwsi
CVSS 6.1
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official description
libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. Attackers can embed a 10 to 53 byte shell item with item data size of 44 or more in a .lnk file, jump list or shell bag to crash consuming processes.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/libyal/libfwsi
- github.com/libyal/libfwsi/blob/2f2aba25b888f37314a39d8c3e71c0e3ced56e59/libfwsi/libfwsi…
- hackmd.io/@haind-pwn/libfwsi-mtp-values-oob-read
- www.vulncheck.com/advisories/libfwsi-through-20260522-heap-out-of-bounds-read-via-libfw…
- hackmd.io/@haind-pwn/cve-2026-111134-111135-libfwsi-mtp-values-oob-read