Vulnerability Details CVE-2021-3477
There's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 27.7%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 4.3
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26956
- https://bugzilla.redhat.com/show_bug.cgi?id=1939159
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://security.gentoo.org/glsa/202107-27
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26956
- https://bugzilla.redhat.com/show_bug.cgi?id=1939159
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://security.gentoo.org/glsa/202107-27
Products affected by CVE-2021-3477
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cpe:2.3:a:openexr:openexr:-
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cpe:2.3:a:openexr:openexr:1.0
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cpe:2.3:a:openexr:openexr:1.0.1
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cpe:2.3:a:openexr:openexr:1.0.2
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cpe:2.3:a:openexr:openexr:1.0.3
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cpe:2.3:a:openexr:openexr:1.0.4
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cpe:2.3:a:openexr:openexr:1.0.5
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cpe:2.3:a:openexr:openexr:1.0.6
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cpe:2.3:a:openexr:openexr:1.0.7
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cpe:2.3:a:openexr:openexr:1.1.0
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cpe:2.3:a:openexr:openexr:1.1.1
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cpe:2.3:a:openexr:openexr:1.2.1
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cpe:2.3:a:openexr:openexr:1.2.2
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cpe:2.3:a:openexr:openexr:1.3.0
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cpe:2.3:a:openexr:openexr:1.3.1
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cpe:2.3:a:openexr:openexr:1.3.2
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cpe:2.3:a:openexr:openexr:1.4.0
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cpe:2.3:a:openexr:openexr:1.5.0
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cpe:2.3:a:openexr:openexr:1.6.0
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cpe:2.3:a:openexr:openexr:1.6.1
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cpe:2.3:a:openexr:openexr:1.7.0
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cpe:2.3:a:openexr:openexr:1.7.1
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cpe:2.3:a:openexr:openexr:2.0.0
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cpe:2.3:a:openexr:openexr:2.0.1
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cpe:2.3:a:openexr:openexr:2.1.0
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cpe:2.3:a:openexr:openexr:2.2.0
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cpe:2.3:a:openexr:openexr:2.2.1
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cpe:2.3:a:openexr:openexr:2.2.2
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cpe:2.3:a:openexr:openexr:2.3.0
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cpe:2.3:a:openexr:openexr:2.4.0
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cpe:2.3:a:openexr:openexr:2.4.1
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cpe:2.3:a:openexr:openexr:2.4.2
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cpe:2.3:a:openexr:openexr:2.5.0
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cpe:2.3:a:openexr:openexr:2.5.1
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cpe:2.3:a:openexr:openexr:2.5.2
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cpe:2.3:a:openexr:openexr:2.5.3
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:9.0