{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/70879?format=json","vulnerability_id":"VCID-97ph-9gsv-eqau","summary":"A use-of-uninitialized memory vulnerability exists in libxls 1.6.3 when parsing malformed XLS files. The issue is reachable via xls_parseWorkBook() and is triggered by uninitialized heap memory originating from the OLE layer (ole2_read). The flaw is detectable with MemorySanitizer (MSAN) and can lead to undefined behavior, incorrect parsing logic, or potential information disclosure.","aliases":[{"alias":"CVE-2026-26825"}],"fixed_packages":[],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-26825","reference_id":"","reference_type":"","scores":[{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09706","published_at":"2026-06-11T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09756","published_at":"2026-06-12T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09759","published_at":"2026-06-13T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09747","published_at":"2026-06-14T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-26825"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26825","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26825"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1139808","reference_id":"1139808","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1139808"},{"reference_url":"https://github.com/libxls/libxls/issues/156","reference_id":"156","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-06-08T16:41:53Z/"}],"url":"https://github.com/libxls/libxls/issues/156"}],"weaknesses":[],"exploits":[],"severity_range_score":"5.3 - 5.3","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-97ph-9gsv-eqau"}