CVE-2021-41456: Buffer Overflow
There is a stack buffer overflow in MP4Box v1.0.1 at src/filters/dmxnhml.c:1004 in the nhmldmxsendsample() function szXmlTo parameter which leads to a denial of service vulnerability.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/gpacto a version that resolves this vulnerability.Fixed in 0.5.2-426-gc5ad4e4+dfsg5-5Fixed in 1.0.1+dfsg1-4+deb11u3Fixed in 2.2.1+dfsg1-3
Event History
Frequently Asked Questions
What is the severity of CVE-2021-41456?
CVE-2021-41456 is classified as a denial of service vulnerability due to a stack buffer overflow.
How do I fix CVE-2021-41456?
To fix CVE-2021-41456, upgrade to a version of MP4Box that is not affected, such as version 0.5.2-426-gc5ad4e4+dfsg5 or higher.
Which software is affected by CVE-2021-41456?
CVE-2021-41456 affects MP4Box version 1.0.1 and similar versions in the GPAC package.
What can exploit CVE-2021-41456?
CVE-2021-41456 can be exploited by sending crafted input to the nhmldmx_send_sample() function leading to a denial of service.
Is CVE-2021-41456 a critical vulnerability?
While CVE-2021-41456 leads to denial of service, its criticality depends on the specific environment and usage of the affected software.