CVE-2026-26824

Katalog CVE

CVSS 6.5 · Medium EPSS 0,45%

Kerentanan Use of Uninitialized Variable pada libxls project libxls. Skor CVSS 3.1 6.5 (Medium) menurut CISA ADP.

Deskripsi (NVD)

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

Rincian

Terbit di NVD

3 Juni 2026

Terakhir diubah

23 September 2026

Status NVD

Modified

CVSS 3.1

6.5 (Medium), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-457: Use of Uninitialized Variable

EPSS (30 hari)

0,45% peluang dieksploitasi; lebih tinggi dari 37,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/libxls/libxls/issues/155 exploit · issue tracking
• https://github.com/libxls/libxls/commit/9adebc9b6d60db21f25ddc898e8760eeb69d6529
• https://github.com/libxls/libxls/issues/153