Vulnerability · Published Sep 20, 2021 · Assigned by mitre
CVE-2021-32273
High 7.8
In plain English
A high-severity security flaw in the faad2 package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.1%top 33.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in faad2 through 2.10.0. A stack-buffer-overflow exists in the function ftypin located in mp4read.c. It allows an attacker to cause Code Execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | faad2 | 2.10.1-r0 | ALPINE-CVE-2021-32273 |
| Alpine:v3.21 | faad2 | 2.10.1-r0 | ALPINE-CVE-2021-32273 |
| Alpine:v3.22 | faad2 | 2.10.1-r0 | ALPINE-CVE-2021-32273 |
| Alpine:v3.23 | faad2 | 2.10.1-r0 | ALPINE-CVE-2021-32273 |
| Alpine:v3.24 | faad2 | 2.10.1-r0 | ALPINE-CVE-2021-32273 |
| Debian:12 | faad2 | 2.10.0-1 | DEBIAN-CVE-2021-32273 |
| Debian:13 | faad2 | 2.10.0-1 | DEBIAN-CVE-2021-32273 |
| Debian:14 | faad2 | 2.10.0-1 | DEBIAN-CVE-2021-32273 |
| Ubuntu:22.04:LTS | welle.io | no fix listed | UBUNTU-CVE-2021-32273 |
| Ubuntu:24.04:LTS | welle.io | no fix listed | UBUNTU-CVE-2021-32273 |
| Ubuntu:25.10 | welle.io | no fix listed | UBUNTU-CVE-2021-32273 |
| Ubuntu:26.04:LTS | welle.io | no fix listed | UBUNTU-CVE-2021-32273 |
| Ubuntu:26.10 | welle.io | no fix listed | UBUNTU-CVE-2021-32273 |
Affected products (as reported)
References
- https://github.com/knik0/faad2/issues/56 x_refsource_MISC
- DSA-5109 vendor-advisory, x_refsource_DEBIAN