Is CVE-2021-40574 in the CISA KEV catalog?

No. CVE-2021-40574 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40574?

CVE-2021-40574 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-40574?

CVE-2021-40574 has an EPSS score of 1.32% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40574?

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

CVE & CISA-KEV Catalog

CVE-2021-40574

HIGH

7.8

CVSS v3

NVD

Description

The binary MP4Box in Gpac from 0.9.0-preview to 1.0.1 has a double-free vulnerability in the gf_text_get_utf8_line function in load_text.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.

CWE-415

How to fix

Remediation Available

gpacDebian

Fixed in:1.0.1+dfsg1-4+deb11u2CVE-2021-40574

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

1.32%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Third-Party Advisory1

debian.org

Product2

Related Vulnerabilities

Other CWE-415 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-25136	Medium	6.5	90%	-	Fix
CVE-2018-0101	Critical	10.0	87%	-	Fix
CVE-2003-0545	Critical	9.8	85%	-	Fix
CVE-2019-3829	Medium	5.3	59%	-	Fix
CVE-2026-33824	Critical	9.8	56%	-	Fix
CVE-2021-3407	Medium	5.5	50%	-	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 2025-03-07.