Description
A vulnerability classified as problematic has been found in FFmpeg up to 6e26f57f672b05e7b8b052007a83aef99dc81ccb. This affects the function audio_element_obu of the file libavformat/iamf_parse.c of the component IAMF File Handler. The manipulation of the argument num_parameters leads to memory leak. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 0526535cd58444dd264e810b2f3348b4d96cff3b. It is recommended to apply a patch to fix this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | FFmpeg | 6e26f57f672b05e7b8b052007a83aef99dc81ccb | — |
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 | ffmpeg | 7:7.1.1-1 | — |
| Debian 13 | ffmpeg | 7:7.1.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | ffmpeg | 7:6.1.1-3ubuntu5+esm3 | USN-7538-1 |
| Ubuntu Pro 22.04 LTS | ffmpeg | 7:4.4.2-0ubuntu0.22.04.1+esm7 | USN-7538-1 |
| Ubuntu Pro 20.04 LTS | ffmpeg | 7:4.2.7-0ubuntu0.1+esm8 | USN-7538-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | ffmpeg | 7:3.4.11-0ubuntu0.1+esm8 | USN-7538-1 |
| Ubuntu Pro 16.04 LTS | ffmpeg | 7:2.8.17-0ubuntu0.1+esm10 | USN-7538-1 |
| Ubuntu Pro 14.04 LTS | libav | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ffmpeg-7 | 7.1.1-1.1 | openSUSE-SU-2025:14974-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ffmpeg | 7.1.1-r0 | — |
| Alpine v3.23 | ffmpeg | 7.1.1-r0 | — |
Advisories 3
- USN-7538-1 ffmpeg vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- openSUSE-SU-2025:14974-1 ffmpeg-7-7.1.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-0468 ffmpeg: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · May 29, 2025
References
- VDB-298089 | FFmpeg IAMF File iamf_parse.c audio_element_obu memory leak vdb-entry technical-description
- VDB-298089 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #506575 | FFmpeg git master Memory Leak third-party-advisory
- https://trac.ffmpeg.org/ticket/11475 issue-tracking
- https://trac.ffmpeg.org/attachment/ticket/11475/poc exploit issue-tracking
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/0526535cd58444dd264e810b2f3348b4d96cff3b patch
- https://ffmpeg.org/ product