Is CVE-2021-40562 in the CISA KEV catalog?

No. CVE-2021-40562 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40562?

CVE-2021-40562 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-40562?

CVE-2021-40562 has an EPSS score of 0.85% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40562?

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

CVE & CISA-KEV Catalog

CVE-2021-40562

MEDIUM

5.5

CVSS v3

NVD

Description

A Segmentation fault caused by a floating point exception exists in Gpac through 1.0.1 using mp4box via the naludmx_enqueue_or_dispatch function in reframe_nalu.c, which causes a denial of service.

CWE-697

How to fix

Remediation Available

gpacDebian

Fixed in:1.0.1+dfsg1-4+deb11u2CVE-2021-40562

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

0.85%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

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.