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CVE-2021-45942: Out-of-bounds Write

January 1, 2022 (updated November 9, 2023)

OpenEXR has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

References

  • bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416
  • github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e
  • github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0
  • github.com/AcademySoftwareFoundation/openexr/pull/1209
  • github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yaml
  • nvd.nist.gov/vuln/detail/CVE-2021-45942

Code Behaviors & Features

Detect and mitigate CVE-2021-45942 with GitLab Dependency Scanning

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Affected versions

All versions starting from 3.1.0 before 3.1.4

Fixed versions

  • 3.1.4

Solution

Upgrade to version 3.1.4 or above.

Impact 5.5 MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-787: Out-of-bounds Write

Source file

conan/openexr/CVE-2021-45942.yml

Spotted a mistake? Edit the file on GitLab.

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