CVE-2026-79592CWE-125

CVE-2026-79592

High · published September 11, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
36.5
In the wild
Unconfirmed
What it is

An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00432 · 36.5th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-09-11T01:17Z
References (3)
https://github.com/libxls/libxls/issues/162 · [email protected]https://github.com/libxls/libxls/pull/165/changes/6eed8bc1d51d6649faebab0184b21ab8768d8fa6 · [email protected]https://github.com/libxls/libxls/issues/162 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 12 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 10 SEP 00:00Z
    An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary…
    cvelistv5