CVE-2026-26824 - libxls: Use of Uninitialized Memory in OLE Container Parser

CVE-2026-26824 - libxls: Use of Uninitialized Memory in OLE Container Parser

https://cvefeed.io/rssfeed/latest.atom / Wed, 06/03/2026 - 23:27
CVE ID :CVE-2026-26824
Published : June 3, 2026, 8:16 p.m. | 47 minutes ago
Description :libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table (MSAT) in read_MSAT() is not fully initialized before being consumed by ole2_validate_sector_chain(), which may result in application crashes or potential information disclosure when processing a crafted XLS file
Severity: 0.0 | NA
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