CVE-2026-110716
unshield through 1.6.2 Heap Out-of-Bounds Read via unshield_get_file_table
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
unshield through 1.6.2 contains a heap out-of-bounds read vulnerability in unshield_get_file_table() that allows attackers to read past heap allocations via unchecked cabinet header offsets. Attackers can supply a crafted InstallShield cabinet with out-of-range file_table_offset or large file counts to crash the unshield tool or library consumers.
| CWE | CWE-125 |
| Vendor | twogood |
| Product | unshield |
| Published | Oct 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
twogood / unshield
0 ≤ 1.6.2
References
hackmd.io: https://hackmd.io/@haind-pwn/unshield-header-filetable-oob-read github.com: https://github.com/twogood/unshield/blob/51de441ba6893f11026d4671ccef9e8e2a4634fa/lib/libunshield.c#L195 github.com: https://github.com/twogood/unshield vulncheck.com: https://www.vulncheck.com/advisories/unshield-through-1.6.2-heap-out-of-bounds-read-via-unshield-get-file-table
Credits
HaiND from the Post and Telecommunication Institute of Technology