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

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. Learn more about Dependency Scanning →