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/xl
CVSS
5.5
Medio
EPSS
0.2%
p14
KEV
—
Exploit Today
4
0-100
Publicado: 14 oct 2026 · Última mod.: 15 oct 2026 · CWE-476
0.2%EPSS · 30 días0.2%
2026-10-152026-10-20
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.
- github.comhttps://github.com/brechtsanders/xlsxio/blob/0.2.37/lib/xlsxio_read.c#L851-L866
- github.comhttps://github.com/brechtsanders/xlsxio/issues/151
- hackmd.iohttps://hackmd.io/@haind-pwn/xlsxio-relationship-missing-id-null-deref
- www.vulncheck.comhttps://www.vulncheck.com/advisories/xlsxio-through-0.2.37-null-pointer-dereference-via-worksheet-relationship-without-id
- github.comhttps://github.com/brechtsanders/xlsxio/issues/151
- hackmd.iohttps://hackmd.io/@haind-pwn/xlsxio-relationship-missing-id-null-deref
CVECVSSEPSSKEVRExplotTítuloVis.
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