CVE-2026-26825 - libxls Use-After-Free

CVE-2026-26825 - libxls Use-After-Free

https://cvefeed.io/rssfeed/latest.atom / Wed, 06/03/2026 - 23:27
CVE ID :CVE-2026-26825
Published : June 3, 2026, 8:16 p.m. | 47 minutes ago
Description :A use-of-uninitialized memory vulnerability exists in libxls 1.6.3 when parsing malformed XLS files. The issue is reachable via xls_parseWorkBook() and is triggered by uninitialized heap memory originating from the OLE layer (ole2_read). The flaw is detectable with MemorySanitizer (MSAN) and can lead to undefined behavior, incorrect parsing logic, or potential information disclosure.
Severity: 0.0 | NA
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