{"id":"CVE-2026-73066","aliases":["ALSA-2026:67831","ALSA-2026:67832","DEBIAN-CVE-2026-73066","EUVD-2026-56181","GHSA-7j76-5rq5-5jg8","OESA-2026-3569","OESA-2026-3570","OESA-2026-3571","OESA-2026-3572","RHSA-2026:67830","RHSA-2026:67831","RHSA-2026:67832","RHSA-2026:69111","RHSA-2026:69495","RHSA-2026:71566","RHSA-2026:71567","RHSA-2026:71568","RHSA-2026:72280","RLSA-2026:67830","RLSA-2026:67831","RLSA-2026:67832","UBUNTU-CVE-2026-73066","USN-8882-1"],"status":"published","title":"Tesseract: Heap out-of-bounds write in LSTM Convolve layer via crafted .traineddata","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract'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.","severity":{"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00126,"percentile":0.02346,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2026-08-11T14:49:16Z","modified":"2026-10-29T11:32:32Z","fixes":[{"ecosystem":"AlmaLinux:9","package":"tesseract","fixed_in":["4.1.1-8.el9_8"],"sources":["osv"]},{"ecosystem":"AlmaLinux:9","package":"tesseract-devel","fixed_in":["4.1.1-8.el9_8"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"tesseract","fixed_in":["4.1.1-3.el8_10"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"tesseract-devel","fixed_in":["4.1.1-3.el8_10"],"sources":["osv"]},{"ecosystem":"Red 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":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73067","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://access.redhat.com/errata/RHSA-2026:67830","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2514011","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_67830.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73066","tags":["advisory","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_67831.json","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_67832.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:69111","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_69111.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:69495","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_69495.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:71566","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_71566.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:71567","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_71567.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:71568","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_71568.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:72280","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_72280.json","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2026:67830","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2026:67831","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2026:67832","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-73066","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8882-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-73067","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"]}],"sources":{"cve":[{"id":"CVE-2026-73066","title":"Tesseract: Heap out-of-bounds write in LSTM Convolve layer via crafted .traineddata","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract'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.","status":"published","published":"2026-08-11T14:49:16.817Z","modified":"2026-08-11T15:36:09.326Z","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","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:43:22.599321Z"}],"euvd":[{"id":"EUVD-2026-56181","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract'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.","status":"published","published":"2026-08-11T14:49:16Z","modified":"2026-08-11T15:36:09Z","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","level":"medium"}],"updated_at":"2026-11-02T18:01:59.926728Z"}],"nvd":[{"id":"CVE-2026-73066","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract'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.","status":"published","published":"2026-08-11T15:17:38.777Z","modified":"2026-10-24T15:10:00.19Z","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","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:36.499002Z"}],"osv":[{"id":"CVE-2026-73066","title":"Tesseract: Heap out-of-bounds write in LSTM Convolve layer via crafted .traineddata","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract'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.","status":"published","published":"2026-08-11T14:49:16.817Z","modified":"2026-10-28T10:55:27.198025364Z","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","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:45:15.88521Z"},{"id":"DEBIAN-CVE-2026-73066","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract'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.","status":"published","published":"2026-08-11T15:17:38.777Z","modified":"2026-10-25T09:47:42.327486121Z","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":"2026-11-02T15:46:02.499355Z"},{"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":"RHSA-2026:67830","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-16T10:14:59Z","modified":"2026-10-14T10:27:44Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.406388Z"},{"id":"RHSA-2026:67831","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-17T10:17:58Z","modified":"2026-10-14T10:27:44Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.406388Z"},{"id":"RHSA-2026:67832","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-16T10:15:00Z","modified":"2026-10-14T10:27:45Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.406388Z"},{"id":"RHSA-2026:69111","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-21T10:14:49Z","modified":"2026-10-14T10:28:13Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.406388Z"},{"id":"RHSA-2026:69495","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-22T10:20:01Z","modified":"2026-10-14T10:28:22Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.406388Z"},{"id":"RHSA-2026:71566","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-25T10:15:30Z","modified":"2026-10-14T10:29:05Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:71567","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-25T10:15:31Z","modified":"2026-10-14T10:29:06Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:71568","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-25T10:15:31Z","modified":"2026-10-14T10:29:06Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:72280","title":"Red Hat Security Advisory: tesseract security update","status":"published","published":"2026-09-28T10:15:52Z","modified":"2026-10-14T10:29:22Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RLSA-2026:67830","title":"Important: 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.\n\nSecurity Fix(es):\n\n* tesseract: Tesseract: Heap out-of-bounds write via crafted .traineddata (CVE-2026-73066)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-09-17T12:09:45.694481Z","modified":"2026-09-17T12:30:02.605548788Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"RLSA-2026:67831","title":"Important: 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.\n\nSecurity Fix(es):\n\n* tesseract: Tesseract: Heap out-of-bounds write via crafted .traineddata (CVE-2026-73066)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-09-17T06:06:39.358579Z","modified":"2026-09-17T06:30:02.286745066Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"RLSA-2026:67832","title":"Important: 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.\n\nSecurity Fix(es):\n\n* tesseract: Tesseract: Heap out-of-bounds write via crafted .traineddata (CVE-2026-73066)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-09-17T12:01:36.359777Z","modified":"2026-09-17T12:30:02.616741362Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"UBUNTU-CVE-2026-73066","description":"Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata LSTM model component loaded through Tesseract'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.","status":"published","published":"2026-08-11T15:17:00Z","modified":"2026-10-17T13:00:54.580756274Z","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","level":"medium"}],"updated_at":"2026-11-02T16:57:08.628462Z"},{"id":"ALSA-2026:67831","title":"Important: 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.  \n\nSecurity Fix(es):  \n\n  * tesseract: Tesseract: Heap out-of-bounds write via crafted .traineddata (CVE-2026-73066)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-09-16T00:00:00Z","modified":"2026-10-29T11:32:32.104537879Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"ALSA-2026:67832","title":"Important: 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.  \n\nSecurity Fix(es):  \n\n  * tesseract: Tesseract: Heap out-of-bounds write via crafted .traineddata (CVE-2026-73066)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-09-16T00:00:00Z","modified":"2026-10-29T11:02:29.51687677Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"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"}]}}