CVE-2017-12109

An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

• CWE-190

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461Exploit, Third Party Advisory
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461Exploit, Third Party Advisory

Published

Apr 24, 2018

Last Modified

Jun 17, 2026

Status

Modified

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