CVE & CISA-KEV Catalog

CVE-2021-3477

MEDIUM
5.5
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
openexrDebian
Fixed in:2.5.4-1CVE-2021-3477
Fixed in:2.5.4-1CVE-2021-3477
Fixed in:2.5.4-1CVE-2021-3477
Fixed in:2.5.4-1CVE-2021-3477
libopenexr22Ubuntu
Fixed in:2.2.0-10ubuntu2.6USN-4900-1
Fixed in:2.2.0-11.1ubuntu1.6USN-4900-1
libopenexr24Ubuntu
Fixed in:2.3.0-6ubuntu0.5USN-4900-1
openexrUbuntu
Fixed in:2.2.0-10ubuntu2.6USN-4900-1
Fixed in:2.2.0-11.1ubuntu1.6USN-4900-1
Fixed in:2.3.0-6ubuntu0.5USN-4900-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.96%probability of exploitation in 30 days
57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-16040Medium6.5100%-Fix
CVE-2019-11477High7.599%-Fix
CVE-2023-44443High7.894%-Fix
CVE-2014-0569High9.390%--
CVE-2017-3599High7.590%-Fix
CVE-2023-21716Critical9.882%-Fix
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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.