Is CVE-2021-36409 in the CISA KEV catalog?

No. CVE-2021-36409 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-36409?

CVE-2021-36409 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-36409?

CVE-2021-36409 has an EPSS score of 0.90% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-36409?

Upgrade libde265 on debian 11 to 1.0.11-0+deb11u1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-36409

HIGH

7.8

CVSS v3

NVD

Description

There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.

CWE-617

How to fix

Remediation Available

libde265Debian

Fixed in:1.0.11-0+deb11u1CVE-2021-36409

Fixed in:1.0.8-1.1CVE-2021-36409

libde265Ubuntu

Fixed in:1.0.2-2ubuntu0.16.04.1~esm2USN-6627-1

Fixed in:1.0.2-2ubuntu0.18.04.1~esm2USN-6627-1

Fixed in:1.0.4-1ubuntu0.2USN-6627-1

Fixed in:1.0.8-1ubuntu0.1USN-6627-1

libde265-0Ubuntu

Fixed in:1.0.2-2ubuntu0.16.04.1~esm2USN-6627-1

Fixed in:1.0.2-2ubuntu0.18.04.1~esm2USN-6627-1

Fixed in:1.0.4-1ubuntu0.2USN-6627-1

Fixed in:1.0.8-1ubuntu0.1USN-6627-1

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.90%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Exploit1

github.com

Issue Tracking2

Related Vulnerabilities

Other CWE-617 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-8617	High	7.5	93%	-	Fix
CVE-2020-36222	High	7.5	78%	-	Fix
CVE-2006-5779	High	7.5	75%	-	Fix
CVE-2021-27212	High	7.5	64%	-	Fix
CVE-2018-5740	High	7.5	59%	-	Fix
CVE-2023-28425	Medium	5.5	55%	-	Fix

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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.