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CVE-2021-21847 Details

Description

Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input in “stts” decoder can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297	CVE	ExploitTechnical DescriptionThird Party Advisory
https://www.debian.org/security/2021/dsa-4966	CVE	Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1297	CVE	ExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297	[email protected]	ExploitTechnical DescriptionThird Party Advisory
https://www.debian.org/security/2021/dsa-4966	[email protected]	Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1297	[email protected]	ExploitTechnical DescriptionThird Party Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]
CWE-680	Integer Overflow to Buffer Overflow	[email protected]

Affected Products

Product	Versions
gpac gpac	1.0.1
CPE cpe:2.3:a:gpac:gpac:1.0.1:::::::* Remediation No remediation found in references.
debian debian linux	10.0 11.0
CPE cpe:2.3:o:debian:debian_linux:10.0:::::::* cpe:2.3:o:debian:debian_linux:11.0:::::::* Remediation No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 29, 2022	Modified Analysis	[email protected]
Apr 28, 2022	CVE Modified	[email protected]
Apr 19, 2022	CVE Modified	[email protected]
Oct 7, 2021	Modified Analysis	[email protected]
Sep 1, 2021	CVE Modified	[email protected]
Aug 24, 2021	Initial Analysis	[email protected]
Aug 18, 2021	CVE Modified	[email protected]