CVE-2021-3933 (GCVE-0-2021-3933)

Vulnerability from cvelistv5 – Published: 2022-03-25 00:00 – Updated: 2024-08-03 17:09
VLAI
Summary
An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits. This could cause an invalid bytesPerLine and maxBytesPerLine value, which could lead to problems with application stability or lead to other attack paths.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a openexr Affected: OpenEXR 3.1.2
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T15:11:20+00:00",
      "cve": "CVE-2021-3933",
      "id": "CVE-2021-3933",
      "initial_release_date": "2021-09-18T00:00:00+00:00",
      "product_status:known_affected": "17",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openexr: Integer-overflow in Imf_3_1::bytesPerDeepLineTable",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3933.json",
      "version": "3"
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.