Description
An issue was discovered in faad2 through 2.10.0. A NULL pointer dereference exists in the function get_sample() located in output.c. It allows an attacker to cause Denial of Service.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | faad2 | 2.10.0-1 | — |
| Debian 13 | faad2 | 2.10.0-1 | — |
| Debian 12 | faad2 | 2.10.0-1 | — |
| Debian 10 | faad2 | 2.10.0-1~deb10u1 | DSA-5109-1 |
| Debian 9 | faad2 | 2.8.0~cvs20161113-1+deb9u3 | DLA-2792-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | welle.io | No fix yet | — |
| Ubuntu 26.04 LTS | welle.io | No fix yet | — |
| Ubuntu 25.10 | welle.io | No fix yet | — |
| Ubuntu 24.04 LTS | welle.io | No fix yet | — |
| Ubuntu 22.04 LTS | welle.io | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | faad2 | 2.9.1-1ubuntu0.1 | USN-6313-1 |
| Ubuntu 20.04 LTS | welle.io | No fix yet | — |
| Ubuntu Pro 18.04 LTS | faad2 | 2.8.8-1ubuntu0.1~esm1 | USN-6313-1 |
| Ubuntu Pro 16.04 LTS | faad2 | 2.8.0~cvs20150510-1ubuntu0.1+esm1 | USN-6313-1 |
| Ubuntu Pro 14.04 LTS | faad2 | 2.7-8+deb8u3ubuntu0.1~esm1 | USN-6313-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | faad2 | 2.10.1-r0 | — |
| Alpine v3.23 | faad2 | 2.10.1-r0 | — |
| Alpine v3.22 | faad2 | 2.10.1-r0 | — |
| Alpine v3.21 | faad2 | 2.10.1-r0 | — |
| Alpine v3.20 | faad2 | 2.10.1-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | faad2 | 2.10.1-r0 | — |
| Alpine v3.18 | faad2 | 2.10.1-r0 | — |
| Alpine v3.17 | faad2 | 2.10.1-r0 | — |
| Alpine v3.16 | faad2 | 2.10.1-r0 | — |
Advisories 3
- USN-6313-1 faad2 vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DSA-5109-1 faad2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2792-1 faad2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/knik0/faad2/issues/58
- [debian-lts-announce] 20211024 [SECURITY] [DLA 2792-1] faad2 security update mailing-list
- DSA-5109 vendor-advisory