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CVE-2023-34795

Date: June 15, 2023

xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioread_sheetlist_close() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.

Language: C

Severity Score

Related Resources (5)

https://github.com/brechtsanders/xlsxio/issues/121
https://github.com/xf1les/cve-advisories/blob/main/2023/CVE-2023-34795.md
https://nvd.nist.gov/vuln/detail/CVE-2023-34795
https://github.com/brechtsanders/xlsxio/commit/d653f1604b54532f11b45dca1fa164b4a1f15e2d
https://www.mend.io/vulnerability-database/CVE-2023-34795

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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