MEDIUM 6.8 NVD
CVE-2026-110600
xlsxio through 0.2.37 contains a NULL pointer dereference vulnerability in main_sheet_get_sheetfile_expat_callback_element_start() in lib/xlsxio_read.c that all
xlsxio through 0.2.37 contains a NULL pointer dereference vulnerability in main_sheet_get_sheetfile_expat_callback_element_start() in lib/xlsxio_read.c that allows attackers to crash applications via crafted files. Attackers can supply a .xlsx file whose workbook.xml.rels contains a worksheet Relationship lacking an Id attribute, crashing the process when xlsxioread_sheet_open() is called.
References
- https://github.com/brechtsanders/xlsxio/blob/0.2.37/lib/xlsxio_read.c#L851-L866
- https://github.com/brechtsanders/xlsxio/issues/151
- https://hackmd.io/@haind-pwn/xlsxio-relationship-missing-id-null-deref
- https://www.vulncheck.com/advisories/xlsxio-through-0.2.37-null-pointer-dereference-via-wo
This medium severity vulnerability with a CVSS score of 6.8 was published on 2026-10-14 via NVD.
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