CVE-2026-30754
Publication date 8 September 2026
Last updated 13 October 2026
Ubuntu priority
Description
A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nal_send function in libavformat/rtpenc_h264_hevc.c, a negative size parameter (size=-3) is passed to memcpy when transmitting H.264/HEVC streams via RTP using a crafted input file. This was detected using AddressSanitizer.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ffmpeg | 26.10 stonking |
Not affected
|
| 26.04 LTS resolute |
Not affected
|
|
| 24.04 LTS noble |
Fixed in 7:6.1.1-3ubuntu5+esm15
|
|
| 22.04 LTS jammy |
Fixed in 7:4.4.2-0ubuntu0.22.04.1+esm17
|
|
| 20.04 LTS focal |
Fixed in 7:4.2.7-0ubuntu0.1+esm18
|
|
| 18.04 LTS bionic |
Fixed in 7:3.4.11-0ubuntu0.1+esm16
|
|
| 16.04 LTS xenial |
Fixed in 7:2.8.17-0ubuntu0.1+esm18
|
|
| libav | 26.10 stonking | Not in release |
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 14.04 LTS trusty |
Needs evaluation
|
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| Package | Patch details |
|---|---|
| ffmpeg |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
8.8 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-8915-1
- FFmpeg vulnerabilities
- 12 October 2026