CVE-2025-12343
Publication date 18 February 2026
Last updated 26 June 2026
Ubuntu priority
Description
A flaw was found in FFmpeg’s TensorFlow backend within the libavfilter/dnn_backend_tf.c source file. The issue occurs in the dnn_execute_model_tf() function, where a task object is freed multiple times in certain error-handling paths. This redundant memory deallocation can lead to a double-free condition, potentially causing FFmpeg or any application using it to crash when processing TensorFlow-based DNN models. This results in a denial-of-service scenario but does not allow arbitrary code execution under normal conditions.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ffmpeg | 26.04 LTS resolute |
Not affected
|
| 25.10 questing |
Vulnerable
|
|
| 24.04 LTS noble |
Fixed 7:6.1.1-3ubuntu5+esm10
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial | Ignored end of ESM support, was needs-triage | |
| libav | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 14.04 LTS trusty |
Not affected
|
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Patch details
| Package | Patch details |
|---|---|
| ffmpeg |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
3.3 · Low
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
References
Related Ubuntu Security Notices (USN)
- USN-8469-1
- FFmpeg vulnerabilities
- 24 June 2026