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CVE-2021-3474

OpenEXR: Undefined-shift in Imf_2_5::FastHufDecoder::FastHufDecoder

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Severity

Low

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · March 15, 2021

Updated · November 22, 2025

Description

There's a flaw in OpenEXR. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-190 · Integer Overflow or Wraparound