{"id":"USN-8882-1","summary":"tesseract vulnerabilities","details":"It was discovered that Tesseract incorrectly handled crafted .traineddata\nmodels. An attacker could possibly use this issue to cause Tesseract to\ncrash, resulting in a denial of service. (CVE-2026-73067)\n\nIt was discovered that Tesseract did not properly validate dimensions in\ncrafted .traineddata models. An attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2026-73066)\n\nIt was discovered that Tesseract did not properly limit token lengths in\ncrafted .traineddata models. An attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2026-88047)\n\nIt was discovered that Tesseract did not properly validate layer dimensions\nin crafted .traineddata models. An attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2026-88048)\n\nIt was discovered that Tesseract did not properly validate layer sizes in\ncrafted .traineddata models. An attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2026-88049)\n\nIt was discovered that Tesseract incorrectly handled negative character\ncodes in crafted .traineddata models. An attacker could possibly use this\nissue to cause Tesseract to crash, resulting in a denial of service.\n(CVE-2026-88050)\n\nIt was discovered that Tesseract did not properly validate vector sizes in\ncrafted .traineddata models. An attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2026-88051)\n\nIt was discovered that Tesseract did not properly validate character IDs in\ncrafted .traineddata models. An attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2026-88052)\n\nIt was discovered that Tesseract did not properly validate classifier\ncounts in crafted .traineddata models. An attacker could possibly use this\nissue to execute arbitrary code. (CVE-2026-88053)\n\nIt was discovered that Tesseract incorrectly handled empty network layers\nin crafted .traineddata models. An attacker could possibly use this issue to\ncause Tesseract to crash, resulting in a denial of service.\n(CVE-2026-88054)","modified":"2026-10-06T23:42:37.816054047Z","published":"2026-10-06T12:50:47Z","related":["UBUNTU-CVE-2026-73066","UBUNTU-CVE-2026-73067","UBUNTU-CVE-2026-88047","UBUNTU-CVE-2026-88048","UBUNTU-CVE-2026-88049","UBUNTU-CVE-2026-88050","UBUNTU-CVE-2026-88051","UBUNTU-CVE-2026-88052","UBUNTU-CVE-2026-88053","UBUNTU-CVE-2026-88054"],"upstream":["CVE-2026-73066","CVE-2026-73067","CVE-2026-88047","CVE-2026-88048","CVE-2026-88049","CVE-2026-88050","CVE-2026-88051","CVE-2026-88052","CVE-2026-88053","CVE-2026-88054","UBUNTU-CVE-2026-73066","UBUNTU-CVE-2026-73067","UBUNTU-CVE-2026-88047","UBUNTU-CVE-2026-88048","UBUNTU-CVE-2026-88049","UBUNTU-CVE-2026-88050","UBUNTU-CVE-2026-88051","UBUNTU-CVE-2026-88052","UBUNTU-CVE-2026-88053","UBUNTU-CVE-2026-88054"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8882-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-73066"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-73067"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88047"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88048"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88049"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88050"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88051"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88052"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88053"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88054"}],"affected":[{"package":{"name":"tesseract","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/tesseract?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.03.02-3ubuntu0.1~esm1"}]}],"versions":["3.02.02-1","3.03.02-3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"3.03.02-3ubuntu0.1~esm1","binary_name":"libtesseract3"},{"binary_name":"tesseract-ocr","binary_version":"3.03.02-3ubuntu0.1~esm1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-88047"},{"id":"CVE-2026-88051","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-88052","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8882-1.json"}},{"package":{"name":"tesseract","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/tesseract?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.04.01-4ubuntu0.1~esm1"}]}],"versions":["3.04.00-5ubuntu1","3.04.01-2","3.04.01-4"],"ecosystem_specific":{"binaries":[{"binary_version":"3.04.01-4ubuntu0.1~esm1","binary_name":"libtesseract3"},{"binary_version":"3.04.01-4ubuntu0.1~esm1","binary_name":"tesseract-ocr"},{"binary_version":"3.04.01-4ubuntu0.1~esm1","binary_name":"tesseract-ocr-all"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2026-88047","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-88051"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-88052"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8882-1.json"}},{"package":{"name":"tesseract","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tesseract?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.00~git2288-10f4998a-2ubuntu0.1~esm1"}]}],"versions":["3.04.01-6","3.04.01-6build1","3.04.01-6build2","4.00~git2188-cdc35338-4build1","4.00~git2188-cdc35338-5","4.00~git2207-766b7bd6-3.1","4.00~git2219-40f43111-1.2","4.00~git2288-10f4998a-2"],"ecosystem_specific":{"binaries":[{"binary_version":"4.00~git2288-10f4998a-2ubuntu0.1~esm1","binary_name":"libtesseract4"},{"binary_name":"tesseract-ocr","binary_version":"4.00~git2288-10f4998a-2ubuntu0.1~esm1"},{"binary_name":"tesseract-ocr-all","binary_version":"4.00~git2288-10f4998a-2ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2026-73066","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-73067","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-88047"},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-88048"},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-88049"},{"id":"CVE-2026-88050","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-88051","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-88052","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-88053"},{"id":"CVE-2026-88054","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8882-1.json"}},{"package":{"name":"tesseract","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/tesseract?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.1-2ubuntu0.1~esm1"}]}],"versions":["4.1.0-1","4.1.0-2","4.1.1-1","4.1.1-2","4.1.1-2build1","4.1.1-2build2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libtesseract4","binary_version":"4.1.1-2ubuntu0.1~esm1"},{"binary_name":"tesseract-ocr","binary_version":"4.1.1-2ubuntu0.1~esm1"},{"binary_name":"tesseract-ocr-all","binary_version":"4.1.1-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8882-1.json","cves_map":{"cves":[{"id":"CVE-2026-73066","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-73067","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-88047"},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-88048"},{"id":"CVE-2026-88049","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-88050","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-88051","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-88052"},{"id":"CVE-2026-88053","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-88054","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"tesseract","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/tesseract?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.1-2.1ubuntu0.1~esm1"}]}],"versions":["4.1.1-2.1","4.1.1-2.1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: 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