CVE-2023-38852

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the unicode_decode_wcstombs function in xlstool.c:266.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/libxls/libxls/issues/124	Exploit Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/
https://github.com/libxls/libxls/issues/124	Exploit Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/

Configurations

Configuration 1 (hide)

cpe:2.3:a:libxls_project:libxls:1.6.2:*:*:*:*:*:*:*

History

04 Nov 2025, 22:15

Type	Values Removed	Values Added
References		() https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/ -

04 Nov 2025, 19:15

Type	Values Removed	Values Added
References		() https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/ -

Information

Published : 2023-08-15 17:15

Updated : 2025-11-04 22:15

NVD link : CVE-2023-38852

Mitre link : CVE-2023-38852

CVE.ORG link : CVE-2023-38852

JSON object : View

Products Affected

libxls_project

libxls

CWE

CWE-787

Out-of-bounds Write

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