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CVE-2021-3474

Good to know:

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Date: March 29, 2021

There's a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.

Language: C

Severity Score

Related Resources (11)

https://bugzilla.redhat.com/show_bug.cgi?id=1939142
https://access.redhat.com/security/cve/CVE-2021-3474
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24831
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
https://security.alpinelinux.org/vuln/CVE-2021-3474
https://security.gentoo.org/glsa/202107-27
https://nvd.nist.gov/vuln/detail/CVE-2021-3474
https://security-tracker.debian.org/tracker/CVE-2021-3474
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3474
https://www.mend.io/vulnerability-database/CVE-2021-3474

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Top Fix

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Upgrade Version

Upgrade to version openexr - 2.4.3;openexr - 2.5.4

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CVSS v3.1

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

CVSS v2

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

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