{"id":"CVE-2026-73067","aliases":["DEBIAN-CVE-2026-73067","EUVD-2026-56182","GHSA-x3vq-7rr7-5x3h","MGASA-2026-0470","OESA-2026-3569","OESA-2026-3570","OESA-2026-3571","OESA-2026-3572","UBUNTU-CVE-2026-73067","USN-8882-1","openSUSE-SU-2026:11887-1","openSUSE-SU-2026:21957-1"],"status":"published","title":"Tesseract: Heap OOB read in the DAWG loader","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.","severity":{"version":"4.0","score":6.7,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00126,"percentile":0.0234,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2026-08-11T14:51:32Z","modified":"2026-10-28T11:22:58Z","fixes":[{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"tesseract","fixed_in":["4.00~git2288-10f4998a-2ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"tesseract","fixed_in":["4.1.1-2ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"tesseract","fixed_in":["4.1.1-2.1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:24.04:LTS","package":"tesseract","fixed_in":["5.3.4-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:26.04:LTS","package":"tesseract","fixed_in":["5.5.0-1ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.3.0-2","5.3.3-1","5.3.4-1","5.3.4-1.1","5.3.4-1.2","5.3.4-1.3","5.3.4-1.4","5.5.0-1","5.5.0-1.1"]},{"source":"osv","ecosystem":"Debian:13","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.0-1","5.5.0-1.1"]},{"source":"osv","ecosystem":"Debian:14","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.0-1","5.5.0-1.1"]},{"source":"osv","ecosystem":"Mageia:10","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.3-1.mga10"}]}],"bundled":9},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP4","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.3-1.oe2403sp4"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP4","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.3-1.oe2203sp4"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.3-1.oe2403sp1"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP3","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.3-1.oe2403sp3"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.02.02-1","3.03.02-3","3.03.02-3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.04.00-5ubuntu1","3.04.01-2","3.04.01-4","3.04.01-4ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"tesseract","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"tesseract","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"tesseract","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.4-1ubuntu0.1~esm1"}]}],"versions":["5.3.0-2build1","5.3.3-1","5.3.3-1build1","5.3.4-1","5.3.4-1build3","5.3.4-1build4","5.3.4-1build5"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.0-1build1","5.5.0-1.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.0-1ubuntu0.1~esm1"}]}],"versions":["5.5.0-1","5.5.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"tesseract","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.03.02-3ubuntu0.1~esm1"}]}],"versions":["3.02.02-1","3.03.02-3"],"bundled":10},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"tesseract","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"],"bundled":10},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"tesseract","ranges":[{"type":"ECOSYSTEM","event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16.0","package":"tesseract-ocr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.3-bp160.1.1"}]}],"bundled":9}],"products":[{"vendor":"tesseract-ocr","product":"tesseract"}],"references":[{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-x3vq-7rr7-5x3h","tags":["x_refsource_CONFIRM","advisory","report"]},{"url":"https://github.com/tesseract-ocr/tesseract/issues/4580","tags":["x_refsource_MISC","report"]},{"url":"https://github.com/tesseract-ocr/tesseract/pull/4581","tags":["x_refsource_MISC","fix","web","report"]},{"url":"https://github.com/tesseract-ocr/tesseract/commit/55287a94b8044c05ce3fd10f5aca6ebbd238e518","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/tesseract-ocr/tesseract/commit/82727cc11c34eaf1249af002d69f6bbae70993b9","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.3","tags":["x_refsource_MISC","web","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73067.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73067","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-73067","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0470.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36427","tags":["report"]},{"url":"https://osv.dev/vulnerability/openSUSE-SU-2026:21957-1","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/25OCRCHOE46S5WTJZC25DVGO7KC2KVWO/","tags":["web"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-7j76-5rq5-5jg8","tags":["advisory"]},{"url":"https://github.com/tesseract-ocr/tesseract/pull/4588","tags":["web"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-5j2p-r5vc-q7f3","tags":["advisory"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-q44c-23p6-5mw6","tags":["advisory"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-jgq8-pprg-vc68","tags":["advisory"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-7v9h-3q3m-w68g","tags":["advisory"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-88qp-4g94-3rf3","tags":["advisory"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-2hm8-q5c7-c373","tags":["advisory"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-rphx-x795-5qjv","tags":["advisory"]},{"url":"https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-f6h7-cqr4-6fx4","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3569","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73066","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3570","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3571","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3572","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-73067","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73067","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8882-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-73066","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-88047","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-88048","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-88049","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-88050","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-88051","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-88052","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-88053","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-88054","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-73067","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88047","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88048","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88049","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88050","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88051","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88052","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88053","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88054","tags":["web"]},{"url":"https://bugzilla.suse.com/1275623","tags":["report"]},{"url":"https://bugzilla.suse.com/1280925","tags":["report"]},{"url":"https://bugzill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Heap OOB read in the DAWG loader","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.","status":"published","published":"2026-08-11T14:51:32.304Z","modified":"2026-08-11T15:03:45.105Z","cvss":[{"version":"4.0","score":6.7,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:43:33.766176Z"}],"euvd":[{"id":"EUVD-2026-56182","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.","status":"published","published":"2026-08-11T14:51:32Z","modified":"2026-08-11T15:03:45Z","cvss":[{"version":"4.0","score":6.7,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T18:01:59.926728Z"}],"nvd":[{"id":"CVE-2026-73067","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.","status":"published","published":"2026-08-11T15:17:38.927Z","modified":"2026-10-24T15:10:00.19Z","cvss":[{"version":"4.0","score":6.7,"vector":"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/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"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:36.499002Z"}],"osv":[{"id":"CVE-2026-73067","title":"Tesseract: Heap OOB read in the DAWG loader","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.","status":"published","published":"2026-08-11T14:51:32.304Z","modified":"2026-10-28T11:22:58.338884038Z","cvss":[{"version":"4.0","score":6.7,"vector":"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","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:45:15.88521Z"},{"id":"DEBIAN-CVE-2026-73067","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.","status":"published","published":"2026-08-11T15:17:38.927Z","modified":"2026-10-25T09:47:29.161976356Z","cvss":[{"version":"4.0","score":6.7,"vector":"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/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"}],"updated_at":"2026-11-02T15:46:02.499355Z"},{"id":"OESA-2026-3569","title":"tesseract security update","description":"A commercial quality OCR engine originally developed at HP between 1985 and 1995. In 1995, this engine was among the top 3 evaluated by UNLV. It was open-sourced by HP and UNLV in 2005.\r\n\r\nSecurity Fix(es):\n\nTesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract\u0026apos;s deserializer can cause an unchecked signed integer multiplication in Convolve::DeSerialize in src/lstm/convolve.cpp to wrap the convolution output-channel count, undersizing the forward-pass output buffer while writes use the unwrapped element count and causing a heap out-of-bounds write during OCR recognition. This issue is fixed in version 5.5.3.(CVE-2026-73066)\n\nTesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.(CVE-2026-73067)","status":"published","published":"2026-08-30T04:17:46Z","modified":"2026-08-30T04:32:42.202675004Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/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"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3570","title":"tesseract security update","description":"A commercial quality OCR engine originally developed at HP between 1985 and 1995. In 1995, this engine was among the top 3 evaluated by UNLV. It was open-sourced by HP and UNLV in 2005.\r\n\r\nSecurity Fix(es):\n\nTesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract\u0026apos;s deserializer can cause an unchecked signed integer multiplication in Convolve::DeSerialize in src/lstm/convolve.cpp to wrap the convolution output-channel count, undersizing the forward-pass output buffer while writes use the unwrapped element count and causing a heap out-of-bounds write during OCR recognition. This issue is fixed in version 5.5.3.(CVE-2026-73066)\n\nTesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.(CVE-2026-73067)","status":"published","published":"2026-08-30T04:17:47Z","modified":"2026-08-30T04:32:42.198257057Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/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"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3571","title":"tesseract security update","description":"A commercial quality OCR engine originally developed at HP between 1985 and 1995. In 1995, this engine was among the top 3 evaluated by UNLV. It was open-sourced by HP and UNLV in 2005.\r\n\r\nSecurity Fix(es):\n\nTesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract\u0026apos;s deserializer can cause an unchecked signed integer multiplication in Convolve::DeSerialize in src/lstm/convolve.cpp to wrap the convolution output-channel count, undersizing the forward-pass output buffer while writes use the unwrapped element count and causing a heap out-of-bounds write during OCR recognition. This issue is fixed in version 5.5.3.(CVE-2026-73066)\n\nTesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.(CVE-2026-73067)","status":"published","published":"2026-08-30T04:17:49Z","modified":"2026-08-30T04:32:02.777515882Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/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"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3572","title":"tesseract security update","description":"A commercial quality OCR engine originally developed at HP between 1985 and 1995. In 1995, this engine was among the top 3 evaluated by UNLV. It was open-sourced by HP and UNLV in 2005.\r\n\r\nSecurity Fix(es):\n\nTesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract\u0026apos;s deserializer can cause an unchecked signed integer multiplication in Convolve::DeSerialize in src/lstm/convolve.cpp to wrap the convolution output-channel count, undersizing the forward-pass output buffer while writes use the unwrapped element count and causing a heap out-of-bounds write during OCR recognition. This issue is fixed in version 5.5.3.(CVE-2026-73066)\n\nTesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.(CVE-2026-73067)","status":"published","published":"2026-08-30T04:17:50Z","modified":"2026-08-30T04:32:02.973275598Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/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"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"UBUNTU-CVE-2026-73067","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.","status":"published","published":"2026-08-11T15:17:00Z","modified":"2026-10-17T13:00:55.49940419Z","cvss":[{"version":"4.0","score":6.7,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T16:57:08.628462Z"},{"id":"MGASA-2026-0470","title":"Updated tesseract packages fix security vulnerabilities","description":"This is a security update. It fixes nine vulnerabilities in tesseract,\nthe OCR (text recognition) engine. All nine can be triggered only by\nfeeding tesseract a maliciously crafted input file: either a specially\ncrafted recognition/language data file (.traineddata) or a crafted\nword-list file. Depending on the specific flaw, this can cause a crash\n(denial of service) or memory corruption.\n  CVE-2026-73067: out-of-bounds read when loading a crafted word-list\n                  file.\n  CVE-2026-73066: out-of-bounds write when loading a crafted\n                  recognition model file.\n  CVE-2026-88047: stack buffer overflow when loading a crafted\n                  language-normalisation file.\n  CVE-2026-88048: out-of-bounds read/write from a crafted neural-network\n                  layer in a recognition model file.\n  CVE-2026-88049: out-of-bounds write from a crafted neural-network\n                  layer in a recognition model file.\n  CVE-2026-88050: out-of-bounds write from invalid character-encoding\n                  values in a crafted recognition model file.\n  CVE-2026-88051: out-of-bounds write when loading a malformed internal\n                  data structure from a crafted recognition model file.\n  CVE-2026-88052: out-of-bounds write when loading a crafted\n                  character-set file.\n  CVE-2026-88053: out-of-bounds write when loading a crafted legacy\n                  recognition template file.\n  CVE-2026-88054: crash (denial of service) when loading a crafted\n                  recognition model with an empty internal network.\nThe tesseract package is updated to version 5.5.3, which on its own\nfixes CVE-2026-73067 and CVE-2026-73066. The remaining seven issues\n(CVE-2026-88047 to CVE-2026-88054) are not yet fixed in any upstream\nrelease, so nine patches taken from upstream's main development branch\nare also applied.\nReported by Tristan Madani (CVE-2026-88047) and Zhixi \"Jace\" Sun\n(CVE-2026-88048 to CVE-2026-88054); see the individual advisories below\nfor full credits, including CVE-2026-73067 and CVE-2026-73066.\n","status":"published","published":"2026-10-07T17:19:47Z","modified":"2026-10-07T17:23:04.41548501Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"openSUSE-SU-2026:11887-1","title":"libtesseract5-5.5.3-2.1 on GA media","description":"These are all security issues fixed in the libtesseract5-5.5.3-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-09-25T18:23:09.675133116Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"openSUSE-SU-2026:21957-1","title":"Security update for tesseract-ocr","description":"This update for tesseract-ocr fixes the following issues:\n\nChanges in tesseract-ocr:\n\n- Update to version 5.5.3 (sync with Factory):\n  * CVE-2026-73067: heap out-of-bounds read in SquishedDawg on crafted model (boo#1275623)\n  * CVE-2026-88047: stack buffer overflow in Classify::ReadNormProtos on crafted traineddata (boo#1280925)\n  * CVE-2026-88048: heap out-of-bounds write/read in FullyConnected::Forward via dimension mismatch (boo#1280929)\n  * CVE-2026-88049: heap out-of-bounds write in LSTM::Forward via na_/gate-matrix dimension mismatch (boo#1280930)\n  * CVE-2026-88050: out-of-bounds write in UnicharCompress via unvalidated recoder code values (boo#1280931)\n  * CVE-2026-88051: heap out-of-bounds write in GenericVector\u003cT\u003e::read via reserved/size_used_ mismatch\n    (boo#1280932)\n  * CVE-2026-88052: heap out-of-bounds write in UNICHARSET::load_via_fgets via count/insert\n    desynchronization (boo#1280933)\n  * CVE-2026-88053: heap out-of-bounds write in Classify::ReadIntTemplates via unvalidated counts in\n    crafted traineddata (boo#1280934)\n  * CVE-2026-88054: denial of service via empty-stack dereference at model load (boo#1280935)\n","status":"published","published":"2026-09-24T15:02:59Z","modified":"2026-09-25T17:30:04.151324931Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"USN-8882-1","title":"tesseract vulnerabilities","description":"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)","status":"published","published":"2026-10-06T12:50:47Z","modified":"2026-10-06T23:42:37.816054047Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}