GHSA-gc5h-x8q8-5m4rMediumCVSS 6.1
catdoc through 0.95 contains an out-of-bounds read vulnerability in the MULRK record handler of...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-111126
- https://github.com/vbwagner/catdoc
- https://github.com/vbwagner/catdoc/blob/38a2807d22ce1a08bc39b94e9072a9f8f52cd86f/src/xlsparse.c#L314-L328
- https://hackmd.io/@haind-pwn/catdoc-xls-mulrk-endcol-and-string-count-oob-read
- https://www.vulncheck.com/advisories/catdoc-through-0.95-out-of-bounds-read-in-xls2csv-mulrk-record-handler
- https://github.com/advisories/GHSA-gc5h-x8q8-5m4r