Threats affecting pkg:github/libmsiecf

CVE-2026-116743 is a double free vulnerability in libyal's libmsiecf library, specifically in the function libmsiecf_url_values_read_data(). This flaw allows attackers to corrupt heap memory by supplying a crafted MSIE cache index.dat file with a partial record containing an oversized unknown_offset. The vulnerability can cause forensic tools processing such files to crash. The CVSS 4.0 base score is 6.8, indicating a medium severity level.