CVE-2023-34795
Status: ModifiedHigh (7.8)—
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.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Base score: 7.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.35%
- Percentile among all scored CVEs: 27
- Score date: 10/18/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-416
References
- https://github.com/brechtsanders/xlsxio/commit/d653f1604b54532f11b45dca1fa164b4a1f15e2d
- https://github.com/brechtsanders/xlsxio/issues/121
- https://github.com/xf1les/cve-advisories/blob/main/2023/CVE-2023-34795.md
- https://github.com/brechtsanders/xlsxio/commit/d653f1604b54532f11b45dca1fa164b4a1f15e2d
- https://github.com/brechtsanders/xlsxio/issues/121
- https://github.com/xf1les/cve-advisories/blob/main/2023/CVE-2023-34795.md
Raw JSON (NVD)
Show
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