Is CVE-2021-36412 in the CISA KEV catalog?

No. CVE-2021-36412 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-36412?

CVE-2021-36412 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-36412?

CVE-2021-36412 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-36412?

Upgrade gpac on debian 11 to 1.0.1+dfsg1-4+deb11u2 or later.

CVE & CISA-KEV Catalog

CVE-2021-36412

HIGH

7.8

CVSS v3

NVD

Description

A heap-based buffer overflow vulnerability exists in MP4Box in GPAC 1.0.1 via the gp_rtp_builder_do_mpeg12_video function, which allows attackers to possibly have unspecified other impact via a crafted file in the MP4Box command,

CWE-787Out-of-bounds Write

How to fix

Remediation Available

gpacDebian

Fixed in:1.0.1+dfsg1-4+deb11u2CVE-2021-36412

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

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Exploit1

github.com

Other references1

debian.org

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.