CVE-2026-111126EPSS p9.2%
CVE-2026-111126CVE-2026-111126
Description
catdoc through 0.95 contains an out-of-bounds read vulnerability in the MULRK record handler of process_item() in src/xlsparse.c that allows attackers to read past the static rec buffer via a crafted end column. Attackers can supply a crafted .xls workbook or BIFF stream with a large endcol to xls2csv to disclose adjacent process memory as CSV cells or crash the process.
Scoring
| CVSS | 6.1 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |
| EPSS | 0.20% probability of exploitation · percentile 9.2% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-16 |