Medium severity · published Jan 1, 2022
CVE-2021-45942
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…
5.5
CVSS
1.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
FE
Fedora · Fedoraproject
34; 35; 36 · source: NVD
OP
Openexr · Openexr
3.1.0 before 3.1.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45942
Exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416
Release Notes
https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022
Patch
https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e
Patch
https://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0
Exploit
https://github.com/AcademySoftwareFoundation/openexr/pull/1209
Release Notes
https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4
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