{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"r-cran-readxl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NFGX4ZJVRTAPMJTH5Y5FHY","modified_at":"2026-10-23T18:04:49.747590044Z","published_at":"2021-11-03T17:15:08.337Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-27836","https://security-tracker.debian.org/tracker/CVE-2021-27836"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-27836","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-27836"}],"summary":"An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file."}