FAAD2 up to 2.10.0 mp4read.c ftypin stack-based overflow

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in FAAD2 up to 2.10.0. Impacted is the function ftypin of the file mp4read.c. Performing a manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2021-32273. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in FAAD2 up to 2.10.0. This affects the function ftypin of the file mp4read.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 09/21/2021 as 56. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-32273 since 05/07/2021. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 257931 (Linux Distros Unpatched Vulnerability : CVE-2021-32273), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (257931). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

FAAD2

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 257931
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-32273

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/07/2021 🔍
09/21/2021 +137 days 🔍
09/21/2021 +0 days 🔍
08/30/2025 +1439 days 🔍

Sourcesinfo

Advisory: 56
Status: Confirmed

CVE: CVE-2021-32273 (🔍)
GCVE (CVE): GCVE-0-2021-32273
GCVE (VulDB): GCVE-100-182979

Entryinfo

Created: 09/21/2021 04:08
Updated: 08/30/2025 09:57
Changes: 09/21/2021 04:08 (38), 09/29/2021 14:33 (1), 08/30/2025 09:57 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.