{"id":"CVE-2026-79592","aliases":["DEBIAN-CVE-2026-79592","EUVD-2026-75746","GHSA-5w42-gv46-j4rp","UBUNTU-CVE-2026-79592"],"status":"published","title":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due...","description":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00432,"percentile":0.37749,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2026-09-10T00:00:00Z","modified":"2026-10-25T05:00:06Z","fixes":[{"ecosystem":"Debian:14","package":"r-cran-readxl","fixed_in":["1.6.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2-1","1.4.3-1","1.4.4-1","1.4.5-1","1.5.0-1","1.5.0.1-1","1.6.0-1"]},{"source":"osv","ecosystem":"Debian:13","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-1","1.5.0-1","1.5.0.1-1","1.6.0-1"]},{"source":"osv","ecosystem":"Debian:14","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.0-1"}]}],"versions":["1.4.5-1","1.5.0-1","1.5.0.1-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-1build1","1.0.0-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.1-2","1.3.1-2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.1-2build2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.3-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-1","1.5.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-1"]}],"references":[{"url":"https://github.com/libxls/libxls/issues/162","tags":["exploit","report"]},{"url":"https://github.com/libxls/libxls/pull/165/changes/6eed8bc1d51d6649faebab0184b21ab8768d8fa6","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79592"},{"url":"https://github.com/advisories/GHSA-5w42-gv46-j4rp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-79592","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-79592","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79592","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-79592","description":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","status":"published","published":"2026-09-10T00:00:00Z","modified":"2026-09-11T14:58:33.514Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:50:27.582139Z"}],"euvd":[{"id":"EUVD-2026-75746","description":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","status":"published","published":"2026-09-10T00:00:00Z","modified":"2026-09-11T14:58:33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T17:28:22.567961Z"}],"ghsa":[{"id":"GHSA-5w42-gv46-j4rp","title":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due...","description":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","status":"published","published":"2026-09-10T21:31:38Z","modified":"2026-09-11T15:33:39Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:11:45.091927Z"}],"nvd":[{"id":"CVE-2026-79592","description":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","status":"published","published":"2026-09-10T21:17:47.047Z","modified":"2026-09-22T20:00:03.713Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:46.271848Z"}],"osv":[{"id":"DEBIAN-CVE-2026-79592","description":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","status":"published","published":"2026-09-10T21:17:47.047Z","modified":"2026-10-25T05:00:06.786906779Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:46:04.001673Z"},{"id":"UBUNTU-CVE-2026-79592","description":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","status":"published","published":"2026-09-10T21:17:00Z","modified":"2026-10-17T13:01:09.577627474Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:57:18.015985Z"}]}}
