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CVE-2021-45942

Good to know:

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Date: December 30, 2021

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.

Language: C++

Severity Score

Related Resources (22)

https://nvd.nist.gov/vuln/detail/CVE-2021-45942
https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4
https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022
https://security.alpinelinux.org/vuln/CVE-2021-45942
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/
https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yaml
https://access.redhat.com/security/cve/CVE-2021-45942
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-45942
https://www.debian.org/security/2022/dsa-5299
https://github.com/AcademySoftwareFoundation/openexr/pull/1209
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/
https://security-tracker.debian.org/tracker/CVE-2021-45942
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/
https://security.gentoo.org/glsa/202210-31
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
https://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0
https://www.mend.io/vulnerability-database/CVE-2021-45942

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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