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CVE-2021-45942

OpenEXR 3.1.0 through 3.1.3 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask:...

5.5 MediumFix available

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

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

1.82%Up 1.0 points since Jan 1, 2022
90%50%10%1%

What each source reports

NVD Score used 5.5

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Record
CVE-2021-45942
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-787
Updated
2026-11-02
CVE List No score

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Record
CVE-2021-45942
Updated
2026-11-02
EUVDEUVD-2021-32651 No score

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Record
EUVD-2021-32651
Updated
2026-11-03
GitHub AdvisoriesGHSA-68rw-m3hm-pqp8 5.5

OpenEXR 3.1.0 through 3.1.3 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask:...

OpenEXR 3.1.0 through 3.1.3 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask).

Record
GHSA-68rw-m3hm-pqp8
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-787
Updated
2026-11-02
OSVALPINE-CVE-2021-45942 5.5

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Record
ALPINE-CVE-2021-45942
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
2026-11-03
OSV 5.5

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Record
CVE-2021-45942
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
OSVDEBIAN-CVE-2021-45942 5.5

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Record
DEBIAN-CVE-2021-45942
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
OSVJLSEC-2026-132 5.5

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Record
JLSEC-2026-132
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-2022-1639 5.5

OpenEXR security update

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

Security Fix(es): OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.(CVE-2021-45942)

Record
OESA-2022-1639
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-2021-45942 5.5

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Record
UBUNTU-CVE-2021-45942
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-2022-0020 No score

Updated openexr packages fix security vulnerability

OpenEXR 3.1.0 through 3.1.3 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). (CVE-2021-45942)

Record
MGASA-2022-0020
Updated
2026-11-02
OSVopenSUSE-SU-2022:0062-1 No score

Security update for openexr

This update for openexr fixes the following issues:

  • CVE-2021-45942: Fixed heap-based buffer overflow in Imf_3_1:LineCompositeTask:execute. (bsc#1194333)
Record
openSUSE-SU-2022:0062-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11712-1 No score

libIex-3_1-30-3.1.3-2.1 on GA media

These are all security issues fixed in the libIex-3_1-30-3.1.3-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11712-1
Updated
2026-11-02
OSVSUSE-SU-2022:0061-1 No score

Security update for openexr

This update for openexr fixes the following issues:

  • CVE-2021-45942: Fixed heap-based buffer overflow in Imf_3_1:LineCompositeTask:execute. (bsc#1194333)
Record
SUSE-SU-2022:0061-1
Updated
2026-11-02
OSVSUSE-SU-2022:0062-1 No score

Security update for openexr

This update for openexr fixes the following issues:

  • CVE-2021-45942: Fixed heap-based buffer overflow in Imf_3_1:LineCompositeTask:execute. (bsc#1194333)
Record
SUSE-SU-2022:0062-1
Updated
2026-11-02
OSVSUSE-SU-2022:0062-2 No score

Security update for openexr

This update for openexr fixes the following issues:

  • CVE-2021-45942: Fixed heap-based buffer overflow in Imf_3_1:LineCompositeTask:execute. (bsc#1194333)
Record
SUSE-SU-2022:0062-2
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openexr
Alpine:v3.15
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.16
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.17
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.18
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.19
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.20
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.21
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.22
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.23
 3.1.0 up to 3.1.4-r0
3.1.4-r0
openexr
Alpine:v3.24
 3.1.0 up to 3.1.4-r0
3.1.4-r0
Show 28 moreShow less
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
 3.1.1+0 up to 3.2.4+0
3.2.4+0
openexr
Mageia:8
 before 2.5.7-1.3.mga8
2.5.7-1.3.mga8
OpenEXR
openEuler:22.03-LTS
 before 3.1.5-1.oe2203
3.1.5-1.oe2203
openexr
SUSE:Linux Enterprise Software Development Kit 12 SP5
 before 2.1.0-6.45.1
2.1.0-6.45.1
openexr
SUSE:Linux Enterprise Server 12 SP5
 before 2.1.0-6.45.1
2.1.0-6.45.1
openexr
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
 before 2.1.0-6.45.1
2.1.0-6.45.1
openexr
SUSE:Linux Enterprise Workstation Extension 12 SP5
 before 2.1.0-6.45.1
2.1.0-6.45.1
openexr
SUSE:Linux Enterprise Module for Desktop Applications 15 SP3
 before 2.2.1-3.41.1
2.2.1-3.41.1
openexr
SUSE:Linux Enterprise Real Time 15 SP2
 before 2.2.1-3.41.1
2.2.1-3.41.1
openexr
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
2.2.0-1ubuntu32.2.0-7ubuntu12.2.0-9ubuntu12.2.0-10ubuntu22.2.0-10ubuntu2.1
Show 8 moreShow less
2.2.0-10ubuntu2.22.2.0-10ubuntu2.32.2.0-10ubuntu2.42.2.0-10ubuntu2.62.2.0-10ubuntu2.6+esm12.2.0-10ubuntu2.6+esm22.2.0-10ubuntu2.6+esm32.2.0-10ubuntu2.6+esm4
 None known
openexr
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
2.2.0-11ubuntu12.2.0-11.1ubuntu12.2.0-11.1ubuntu1.12.2.0-11.1ubuntu1.22.2.0-11.1ubuntu1.3
Show 6 moreShow less
2.2.0-11.1ubuntu1.42.2.0-11.1ubuntu1.62.2.0-11.1ubuntu1.72.2.0-11.1ubuntu1.82.2.0-11.1ubuntu1.92.2.0-11.1ubuntu1.9+esm1
 None known
openexr
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
2.2.1-4.1ubuntu12.3.0-62.3.0-6build12.3.0-6ubuntu0.12.3.0-6ubuntu0.2
Show 4 moreShow less
2.3.0-6ubuntu0.32.3.0-6ubuntu0.52.3.0-6ubuntu0.5+esm12.3.0-6ubuntu0.5+esm2
 None known
openexr
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
2.5.4-22.5.7-12.5.7-1ubuntu0.1~esm12.5.7-1ubuntu0.1~esm2
 None known
openexr
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
3.1.5-5.13.1.5-5.1build13.1.5-5.1build23.1.5-5.1build33.1.5-5.1ubuntu0.1~esm1
 None known
openexr
Ubuntu:25.10
 All versions, plus listed versions
3.1.13-2
 None known
openexr
Ubuntu:26.10
 All versions, plus listed versions
3.1.13-2build13.4.6+ds-4ubuntu3
 None known
openexr
Ubuntu:Pro:26.04:LTS
 All versions, plus listed versions
3.1.13-23.1.13-2build13.1.13-2ubuntu0.26.04.1~esm1
 None known
cobbler
SUSE:Package Hub 15 SP3
 before 3.1.2-bp153.2.3.1
3.1.2-bp153.2.3.1
cobbler
openSUSE:Leap 15.3
 before 3.1.2-bp153.2.3.1
3.1.2-bp153.2.3.1
openexr
openSUSE:Leap 15.3
 before 2.2.1-3.41.1
2.2.1-3.41.1

History

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

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

In short

CVE-2021-45942 is a medium vulnerability (CVSS 5.5) in Openexr, published December 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. Fixed in openexr 3.1.4-r0.

References

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