Out-of-bounds Read in Twogood Unshield
CVE-2026-110716
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.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind-pwn/unshield-header-filetable-oob-read (technical-description, exploit)
- github.com/twogood/unshield/blob/51de441ba6893f11026d4671ccef9e8e2a4634fa/lib/l… (technical-description)
- github.com/twogood/unshield (product)
- www.vulncheck.com/advisories/unshield-through-1.6.2-heap-out-of-bounds-read-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110716?
- CVE-2026-110716 is a medium-severity vulnerability in Twogood Unshield, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2026-10-14.
- How severe is CVE-2026-110716?
- Medium severity. CVSS v3 base score is 5.5 out of 10.