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OpenAdvisories
Medium RHSA-2026:69111 1 CVE

Red Hat Security Advisory: tesseract security update

Published Sep 21, 2026 · Updated Oct 14, 2026

Ecosystem: Red Hat

Fixed packages 6

ReleasePackageFixed in
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream tesseract 0:4.1.1-2.el8_8.1
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream tesseract-debuginfo 0:4.1.1-2.el8_8.1
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream tesseract-debugsource 0:4.1.1-2.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream tesseract 0:4.1.1-2.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream tesseract-debuginfo 0:4.1.1-2.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream tesseract-debugsource 0:4.1.1-2.el8_8.1

Vulnerabilities 1

  • Medium 6.8
    CVE-2026-73066

    Tesseract: Heap out-of-bounds write in LSTM Convolve layer via crafted .traineddata

    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 conv…

    tesseract-ocr tesseract tesseract tesseract Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2514011
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_69111.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-73066
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-73066
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-73066
  • article
    https://github.com/tesseract-ocr/tesseract/commit/2f4d2f4bf45c363785d7bf1da29b6628f8939a72
  • article
    https://github.com/tesseract-ocr/tesseract/pull/4588
  • article
    https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.3
  • article
    https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-7j76-5rq5-5jg8