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.
History

Mon, 21 Sep 2026 05:15:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in libxls 1.6.3 xls_dumpSummary Function

Sat, 12 Sep 2026 01:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in libxls 1.6.3 xls_dumpSummary Function

Fri, 11 Sep 2026 17:15:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in libxls 1.6.3 xls_dumpSummary Function
Weaknesses CWE-20

Fri, 11 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 11 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Fri, 11 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Libxls
Libxls libxls
Vendors & Products Libxls
Libxls libxls

Thu, 10 Sep 2026 23:00:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in libxls 1.6.3 xls_dumpSummary Function
Weaknesses CWE-125
CWE-20

Thu, 10 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
Description 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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-09-10T00:00:00.000Z

Updated: 2026-09-11T14:58:33.514Z

Reserved: 2026-08-25T00:00:00.000Z

Link: CVE-2026-79592

cve-icon Vulnrichment

Updated: 2026-09-11T14:58:24.709Z

cve-icon NVD

Status : Deferred

Published: 2026-09-10T21:17:47.047

Modified: 2026-09-22T20:00:03.713

Link: CVE-2026-79592

cve-icon Redhat

No data.