CVE-2021-20303: Integer Overflow or Wraparound

March 4, 2022 (updated November 7, 2023)

A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505
bugzilla.redhat.com/show_bug.cgi?id=1939151
github.com/AcademySoftwareFoundation/openexr/pull/831
nvd.nist.gov/vuln/detail/CVE-2021-20303

Code Behaviors & Features

Detect and mitigate CVE-2021-20303 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →