High [CVE-2026-20216] Denial of Service via crafted InstallShield file
This high-severity Red Hat Linux advisory covers CVE-2026-20216.
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Summary
Denial of Service via crafted InstallShield file. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-770.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
Mitigation checklist
- To reduce the risk of denial of service, deploy ClamAV within a sandboxed environment to contain potential resource exhaustion. Additionally, exercise caution when processing untrusted InstallShield files, and restrict their sources to trusted origins where possible.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
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