Is CVE-2021-3605 in the CISA KEV catalog?

No. CVE-2021-3605 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3605?

CVE-2021-3605 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-3605?

CVE-2021-3605 has an EPSS score of 1.01% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3605?

Upgrade openexr on debian 11 to 2.5.4-2+deb11u1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2021-3605

MEDIUM

5.5

CVSS v3

NVD

Description

There's a flaw in OpenEXR's rleUncompress functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The greatest risk from this flaw is to application availability.

CWE-119Buffer Overflow CWE-125Out-of-bounds Read

How to fix

Remediation Available

openexrDebian

Fixed in:2.5.4-2+deb11u1CVE-2021-3605

Fixed in:2.5.7-1CVE-2021-3605

libopenexr22Ubuntu

Fixed in:2.2.0-10ubuntu2.6+esm1USN-4996-2

Fixed in:2.2.0-11.1ubuntu1.7USN-4996-1

libopenexr24Ubuntu

Fixed in:2.3.0-6ubuntu0.5+esm1USN-5620-1

libopenexr25Ubuntu

Fixed in:2.5.7-1ubuntu0.1~esm1USN-5620-1

openexrUbuntu

Fixed in:2.2.0-10ubuntu2.6+esm1USN-4996-2

Fixed in:2.2.0-11.1ubuntu1.7USN-4996-1

Fixed in:2.3.0-6ubuntu0.5+esm1USN-5620-1

Fixed in:2.5.7-1ubuntu0.1~esm1USN-5620-1

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

1.01%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Third-Party Advisory3

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.