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CVE-2021-3933

An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t <...

5.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.84%Unchanged since Mar 26, 2022
90%50%10%1%

What each source reports

NVD Score used 5.5

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.

Record
CVE-2021-3933
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-190
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2021-3933
Weakness
CWE-190
Updated
2026-11-02
EUVDEUVD-2021-27147 No score

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.

Record
EUVD-2021-27147
Updated
2026-11-03
GitHub AdvisoriesGHSA-jmmx-24xf-r6qm 5.5

An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t <...

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.

Record
GHSA-jmmx-24xf-r6qm
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-190
Updated
2026-11-02
OSV 5.5

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.

Record
CVE-2021-3933
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2021-3933 5.5

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.

Record
DEBIAN-CVE-2021-3933
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 11 moreShow less
OSVJLSEC-2026-130 5.5

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.

Record
JLSEC-2026-130
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
OSVOESA-2022-1775 5.5

OpenEXR security update

OpenEXR is a high dynamic-range (HDR) image file format originally developed by Industrial Light & Magic for use in computer imaging applications.

Security Fix(es):

A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.(CVE-2021-20300)

A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The highest threat from this vulnerability is to system availability.(CVE-2021-20302)

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.(CVE-2021-3933)

Record
OESA-2022-1775
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2021-3933 5.5

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.

Record
UBUNTU-CVE-2021-3933
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVCLSA-2026-1784118526 No score

openexr: Fix of 2 CVEs

  • CVE-2021-3933: integer overflow in Imf::bytesPerDeepLineTable (ImfMisc.cpp)
  • CVE-2021-45942: heap OOB write in CompositeDeepScanLine::setFrameBuffer via missing subsampling validation
Record
CLSA-2026-1784118526
Updated
2026-11-02
OSVMGASA-2021-0524 No score

Updated openexr packages fix security vulnerability

Integer-overflow in Imf_3_1::bytesPerDeepLineTable. (CVE-2021-3933) Divide-by-zero in Imf_3_1::RGBtoXYZ. (CVE-2021-3941)

Record
MGASA-2021-0524
Updated
2026-11-02
OSVopenSUSE-SU-2021:1537-1 No score

Security update for openexr

This update for openexr fixes the following issues:

  • CVE-2021-3941: Fixed divide-by-zero in Imf_3_1:RGBtoXYZ (bsc#1192556).
  • CVE-2021-3933: Fixed integer-overflow in Imf_3_1:bytesPerDeepLineTable (bsc#1192498).

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2021:1537-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:3844-1 No score

Security update for openexr

This update for openexr fixes the following issues:

  • CVE-2021-3941: Fixed divide-by-zero in Imf_3_1:RGBtoXYZ (bsc#1192556).
  • CVE-2021-3933: Fixed integer-overflow in Imf_3_1:bytesPerDeepLineTable (bsc#1192498).
Record
openSUSE-SU-2021:3844-1
Updated
2026-11-02
OSVSUSE-SU-2021:3843-1 No score

Security update for openexr

This update for openexr fixes the following issues:

  • CVE-2021-3477: Fixed Heap-buffer-overflow in Imf_2_5::DeepTiledInputFile::readPixelSampleCounts (bsc#1184353).
  • CVE-2021-3941: Fixed divide-by-zero in Imf_3_1:RGBtoXYZ (bsc#1192556).
  • CVE-2021-3933: Fixed integer-overflow in Imf_3_1:bytesPerDeepLineTable (bsc#1192498).
Record
SUSE-SU-2021:3843-1
Updated
2026-11-02
OSVSUSE-SU-2021:3844-1 No score

Security update for openexr

This update for openexr fixes the following issues:

  • CVE-2021-3941: Fixed divide-by-zero in Imf_3_1:RGBtoXYZ (bsc#1192556).
  • CVE-2021-3933: Fixed integer-overflow in Imf_3_1:bytesPerDeepLineTable (bsc#1192498).
Record
SUSE-SU-2021:3844-1
Updated
2026-11-02
OSVUSN-5144-1 No score

openexr vulnerability

It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

Record
USN-5144-1
Updated
2026-11-02
OSVUSN-5620-1 No score

openexr vulnerabilities

It was discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code. These issues only affected Ubuntu 20.04 ESM. (CVE-2021-3598, CVE-2021-3605, CVE-2021-20296, CVE-2021-23215, CVE-2021-26260)

It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. (CVE-2021-3933)

It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash. (CVE-2021-3941)

Record
USN-5620-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openexr
TuxCare:AlmaLinux:9.2
From an advisory covering 2 CVEs
before 3.1.1-3.el9.tuxcare.els8
3.1.1-3.el9.tuxcare.els8
openexr-devel
TuxCare:AlmaLinux:9.2
From an advisory covering 2 CVEs
before 3.1.1-3.el9.tuxcare.els8
3.1.1-3.el9.tuxcare.els8
openexr-libs
TuxCare:AlmaLinux:9.2
From an advisory covering 2 CVEs
before 3.1.1-3.el9.tuxcare.els8
3.1.1-3.el9.tuxcare.els8
openexr
Debian:12
before 3.1.5-2
3.1.5-2
openexr
Debian:13
before 3.1.5-2
3.1.5-2
openexr
Debian:14
before 3.1.5-2
3.1.5-2
openexr
Debian:10
From an advisory covering 22 CVEs
before 2.2.1-4.1+deb10u2, plus listed versions
2.2.1-4.12.2.1-4.1+deb10u1
2.2.1-4.1+deb10u2
openexr
Debian:11
From an advisory covering 7 CVEs
before 2.5.4-2+deb11u1, plus listed versions
2.5.4-2
2.5.4-2+deb11u1
OpenEXR_jll
Julia
before 3.2.4+0
3.2.4+0
openexr
Mageia:8
From an advisory covering 2 CVEs
before 2.5.7-1.2.mga8
2.5.7-1.2.mga8
Show 26 moreShow less
Affected packages
PackageAffectedFixed
OpenEXR
openEuler:20.03-LTS-SP1
From an advisory covering 3 CVEs
before 2.2.0-26.oe1
2.2.0-26.oe1
OpenEXR
openEuler:20.03-LTS-SP3
From an advisory covering 3 CVEs
before 2.2.0-26.oe1
2.2.0-26.oe1
openexr
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 3 CVEs
before 2.1.0-6.42.1
2.1.0-6.42.1
openexr
SUSE:Linux Enterprise Server 12 SP5
From an advisory covering 3 CVEs
before 2.1.0-6.42.1
2.1.0-6.42.1
openexr
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
From an advisory covering 3 CVEs
before 2.1.0-6.42.1
2.1.0-6.42.1
openexr
SUSE:Linux Enterprise Workstation Extension 12 SP5
From an advisory covering 3 CVEs
before 2.1.0-6.42.1
2.1.0-6.42.1
openexr
SUSE:Linux Enterprise Module for Desktop Applications 15 SP2
From an advisory covering 2 CVEs
before 2.2.1-3.38.1
2.2.1-3.38.1
openexr
SUSE:Linux Enterprise Module for Desktop Applications 15 SP3
From an advisory covering 2 CVEs
before 2.2.1-3.38.1
2.2.1-3.38.1
openexr
Ubuntu:Pro:16.04:LTS
before 2.2.0-10ubuntu2.6+esm2, plus listed versions
2.2.0-1ubuntu32.2.0-7ubuntu12.2.0-9ubuntu12.2.0-10ubuntu22.2.0-10ubuntu2.1
Show 5 moreShow less
2.2.0-10ubuntu2.22.2.0-10ubuntu2.32.2.0-10ubuntu2.42.2.0-10ubuntu2.62.2.0-10ubuntu2.6+esm1
2.2.0-10ubuntu2.6+esm2
povray
Ubuntu:16.04:LTS
All versions, plus listed versions
1:3.7.0.0-8build1
None known
openexr
Ubuntu:18.04:LTS
before 2.2.0-11.1ubuntu1.8, plus listed versions
2.2.0-11ubuntu12.2.0-11.1ubuntu12.2.0-11.1ubuntu1.12.2.0-11.1ubuntu1.22.2.0-11.1ubuntu1.32.2.0-11.1ubuntu1.42.2.0-11.1ubuntu1.62.2.0-11.1ubuntu1.7
2.2.0-11.1ubuntu1.8
povray
Ubuntu:18.04:LTS
All versions, plus listed versions
1:3.7.0.0-9build21:3.7.0.0-9build31:3.7.0.4-2
None known
ilmbase
Ubuntu:20.04:LTS
All versions, plus listed versions
2.2.1-2ubuntu12.3.0-62.3.0-6build1
None known
openexr
Ubuntu:Pro:20.04:LTS
before 2.3.0-6ubuntu0.5+esm1, plus listed versions
2.2.1-4.1ubuntu12.3.0-62.3.0-6build12.3.0-6ubuntu0.12.3.0-6ubuntu0.22.3.0-6ubuntu0.32.3.0-6ubuntu0.5
2.3.0-6ubuntu0.5+esm1
povray
Ubuntu:20.04:LTS
All versions, plus listed versions
1:3.7.0.8-11:3.7.0.8-1build11:3.7.0.8-31:3.7.0.8-41:3.7.0.8-4build1
None known
ilmbase
Ubuntu:22.04:LTS
All versions, plus listed versions
2.5.4-12.5.7-2
None known
povray
Ubuntu:22.04:LTS
All versions, plus listed versions
1:3.7.0.8-51:3.7.0.10-1
None known
openexr
Ubuntu:Pro:22.04:LTS
before 2.5.7-1ubuntu0.1~esm1, plus listed versions
2.5.4-22.5.7-1
2.5.7-1ubuntu0.1~esm1
povray
Ubuntu:24.04:LTS
All versions, plus listed versions
1:3.7.0.10-31:3.7.0.10-3build11:3.7.0.10-3build31:3.7.0.10-3build4
None known
povray
Ubuntu:25.10
All versions, plus listed versions
1:3.7.0.10-3build41:3.7.0.10-3build6
None known
povray
Ubuntu:26.10
All versions, plus listed versions
1:3.7.0.10-3build71:3.7.0.10-3build8
None known
povray
Ubuntu:26.04:LTS
All versions, plus listed versions
1:3.7.0.10-3build61:3.7.0.10-3build7
None known
openexr
Ubuntu:Pro:20.04:LTS
From an advisory covering 7 CVEs
before 2.3.0-6ubuntu0.5+esm1, plus listed versions
2.2.1-4.1ubuntu12.3.0-62.3.0-6build12.3.0-6ubuntu0.12.3.0-6ubuntu0.22.3.0-6ubuntu0.32.3.0-6ubuntu0.5
2.3.0-6ubuntu0.5+esm1
openexr
Ubuntu:Pro:22.04:LTS
From an advisory covering 7 CVEs
before 2.5.7-1ubuntu0.1~esm1, plus listed versions
2.5.4-22.5.7-1
2.5.7-1ubuntu0.1~esm1
openexr
openSUSE:Leap 15.2
From an advisory covering 2 CVEs
before 2.2.1-lp152.7.23.1
2.2.1-lp152.7.23.1
openexr
openSUSE:Leap 15.3
From an advisory covering 2 CVEs
before 2.2.1-3.38.1
2.2.1-3.38.1

History

History
RecordedChangedSources
affected, facts
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-3933 is a medium vulnerability (CVSS 5.5) in Academysoftwarefoundation Openexr, published November 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 58th percentile. Fixed in openexr 3.1.5-2.

References

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