{"id":"CVE-2026-116743","aliases":["DEBIAN-CVE-2026-116743","EUVD-2026-110491","GHSA-69hw-fmf2-8wv2","UBUNTU-CVE-2026-116743"],"status":"published","title":"libyal libmsiecf through 20260525 Double Free via libmsiecf_url_values_read_data","description":"libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00127,"percentile":0.02382,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-415"],"published":"2026-10-26T21:52:42Z","modified":"2026-11-05T15:42:22Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-2","20181227-2.1","20181227-2.1~exp1","20181227-3","20240425-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-3","20240425-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-3","20240425-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150708-2","20151205-1","20151220-1","20160107-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20170116-1build1","20170116-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1","20181227-1ubuntu1","20181227-1ubuntu2","20181227-1.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-2","20181227-2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-2build2","20181227-2build3","20181227-2.1","20181227-2.1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-3build1","20240425-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libmsiecf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-3","20181227-3build1"]}],"products":[{"vendor":"libyal","product":"libmsiecf"}],"references":[{"url":"https://github.com/libyal/libmsiecf/issues/6","tags":["issue-tracking","report"]},{"url":"https://github.com/libyal/libmsiecf","tags":["product","package","report"]},{"url":"https://github.com/libyal/libmsiecf/commit/a99a703d190d62f6c21b6225cf84ce80037e45d5","tags":["patch","fix","report"]},{"url":"https://github.com/libyal/libmsiecf/blob/20260525/libmsiecf/libmsiecf_url_values.c#L824","tags":["technical-description","article"]},{"url":"https://hackmd.io/@haindpwn/libmsiecf-url-record-partial-recovery-double-free","tags":["third-party-advisory","exploit","advisory","report"]},{"url":"https://www.vulncheck.com/advisories/libyal-libmsiecf-through-20260525-double-free-via-libmsiecf-url-values-read-data","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116743","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-69hw-fmf2-8wv2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116743.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-116743","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-116743","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-116743","tags":["report"]},{"url":"https://github.com/cveproject/cvelistv5/tree/main/cves/2026/116xxx/cve-2026-116743.json","tags":["report"]},{"url":"https://github.com/libyal/libmsiecf/blob/20260525/libmsiecf/libmsiecf_url_values.c#l824","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/cve-2026-116743","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-116743","title":"libyal libmsiecf through 20260525 Double Free via libmsiecf_url_values_read_data","description":"libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.","status":"published","published":"2026-10-26T21:52:42.185Z","modified":"2026-11-05T15:42:22.43Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-415"],"updated_at":"2026-11-05T16:36:34.343037Z"}],"euvd":[{"id":"EUVD-2026-110491","description":"libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.","status":"published","published":"2026-10-26T21:52:42Z","modified":"2026-11-05T15:42:22Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-05T18:00:59.460287Z"}],"ghsa":[{"id":"GHSA-69hw-fmf2-8wv2","title":"libyal libmsiecf through 20260525 contains a double free vulnerability in...","description":"libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.","status":"published","published":"2026-10-27T00:32:48Z","modified":"2026-10-27T00:32:54Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T15:14:27.349207Z"}],"nvd":[{"id":"CVE-2026-116743","description":"libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.","status":"published","published":"2026-10-26T22:16:58.823Z","modified":"2026-11-05T16:17:35.297Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-415"],"updated_at":"2026-11-05T19:56:07.634341Z"}],"osv":[{"id":"CVE-2026-116743","title":"libyal libmsiecf through 20260525 Double Free via libmsiecf_url_values_read_data","description":"libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.","status":"published","published":"2026-10-26T21:52:42.185Z","modified":"2026-11-07T07:02:56.45877184Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-415"],"updated_at":"2026-11-07T03:08:01.156605Z"},{"id":"DEBIAN-CVE-2026-116743","description":"libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. 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Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.","status":"published","published":"2026-10-26T22:16:00Z","modified":"2026-10-28T20:17:46.1599579Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"},{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:56:00.081948Z"}]}}