CVE-2023-38852

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

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/ -

21 Nov 2024, 08:14

Type Values Removed Values Added
Summary
  • (es) La vulnerabilidad de desbordamiento del búfer en libxls v.1.6.2 permite a un atacante remoto ejecutar código arbitrario y provocar una denegación de servicio a través de un archivo XLS manipulado a la función unicode_decode_wcstombs en xlstool.c:266.
References () https://github.com/libxls/libxls/issues/124 - Exploit, Issue Tracking () https://github.com/libxls/libxls/issues/124 - Exploit, Issue Tracking
References () 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/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/ -

27 Feb 2024, 04:15

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/ -

27 Feb 2024, 02:15

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/ -

19 Aug 2023, 00:43

Type Values Removed Values Added
CWE CWE-787
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5
CPE cpe:2.3:a:libxls_project:libxls:1.6.2:*:*:*:*:*:*:*
References (MISC) https://github.com/libxls/libxls/issues/124 - (MISC) https://github.com/libxls/libxls/issues/124 - Exploit, Issue Tracking

15 Aug 2023, 17:15

Type Values Removed Values Added
New CVE
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