Is CVE-2021-40567 in the CISA KEV catalog?

No. CVE-2021-40567 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40567?

CVE-2021-40567 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-40567?

CVE-2021-40567 has an EPSS score of 0.87% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40567?

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

CVE & CISA-KEV Catalog

CVE-2021-40567

MEDIUM

5.5

CVSS v3

NVD

Description

Segmentation fault vulnerability exists in Gpac through 1.0.1 via the gf_odf_size_descriptor function in desc_private.c when using mp4box, which causes a denial of service.

How to fix

Remediation Available

gpacDebian

Fixed in:1.0.1+dfsg1-4+deb11u2CVE-2021-40567

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

0.87%probability of exploitation in 30 days

54thpercentile

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

References

Patch1

github.com

Exploit1

github.com

Other references1

debian.org

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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.